1. Aguilera R. F., Aguilera R. (2012): <em>World natural gas endowment as a bridge towards zero carbon emissions</em>. Technol. Forecast Soc. Change, 79(3), 579-86.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.techfore.2011.09.004" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.techfore.2011.09.004</a></dgdoi:pub-id>
3. Arias Fernández I., Romero Gómez M., Baaliña Insua A. (2017): <em>Review of propulsion systems on LNG carriers</em>. Renewable and Sustainable Energy Reviews, 67, 1395-1411.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.rser.2016.09.095" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.rser.2016.09.095</a></dgdoi:pub-id>
4. Arias Fernández I., Romero Gómez M., Romero Gómez J., López-González L. M. (2017): <em>H</em><em><sub>2</sub> production by the steam reforming of excess boil off gas on LNG vessels</em>. Energy Conversion and Management, 134(February), 301-313.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.enconman.2016.12.047" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.enconman.2016.12.047</a></dgdoi:pub-id>
5. Belz S. (2016): <em>A synergetic use of hydrogen and fuel cells in human spaceflight power systems</em>. Acta Astronautica, 121, 323-331.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.actaastro.2015.05.031" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.actaastro.2015.05.031</a></dgdoi:pub-id>
6. Burel F., Taccani R., Zuliani N. (2013): <em>Improving sustainability of maritime transport through utilization of Liquefied Natural Gas (LNG) for propulsion</em>. Energy, 57, 412-420.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.energy.2013.05.002" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.energy.2013.05.002</a></dgdoi:pub-id>
7. Chang D., Rhee T., Nam K., Chang K., Lee D., Jeong S. (2008): <em>A study on availability and safety of new propulsion systems for LNG carriers</em>. Reliab. Eng. Syst. Saf., 93(12), 1877-85.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ress.2008.03.013" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ress.2008.03.013</a></dgdoi:pub-id>
9. Chilev C., Darkrim Lamari F. (2016): <em>Hydrogen storage at low temperature and high pressure for application in automobile manufacturing</em>. International Journal of Hydrogen Energy, 41, 744-1758<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ijhydene.2015.11.099" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ijhydene.2015.11.099</a></dgdoi:pub-id>
10. Rao D., Wang Y., Meng Z., Yao S., Chen X., Shen X., Lu R. (2015): <em>Theoretical study of H2 adsorption on metal-doped graphene sheets with nitrogen-substituted defects</em>. International Journal of Hydrogen Energy, 40, 14154-14162.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ijhydene.2015.08.107" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ijhydene.2015.08.107</a></dgdoi:pub-id>
11. Dincer I., Canan A. (2015): <em>Review and evaluation of hydrogen production methods for better sustainability</em>. International Journal of Hydrogen Energy, 40, 11094-11111.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ijhydene.2014.12.035" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ijhydene.2014.12.035</a></dgdoi:pub-id>
15. Sciberras E. A., Zahawi B., Atkinson D. J. (2015): <em>Electrical characteristics of cold ironing energy supply for berthed ships</em>. Transportation Research Part D, 39, 31-43.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.trd.2015.05.007" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.trd.2015.05.007</a></dgdoi:pub-id>
16. Attah E. E., Bucknall R. (2015): <em>An analysis of the energy efficiency of LNG ships power in options using the EEDI</em>. Ocean Engineering, 110, 62-74.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.oceaneng.2015.09.040" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.oceaneng.2015.09.040</a></dgdoi:pub-id>
18. Omar F., Szpunar J. A., Szpunar B., Beye A. C. (2016): <em>Hydrogen adsorption and storage on palladium – functionalized graphene with NH-dopant: A first principles calculation</em>. Applied Surface Science, Available online September 2016
20. Gutiérrez J. L. (2005): <em>El hidrógeno, combustible del futuro</em>. Rev. R. Acad. Cienc. Exact. Fís. Nat. (Esp), 99(1), 49-67. V Programa de Promoción de la Cultura Científica y Tecnológica.
21. Lindstad H., Sandaas I., Strømman A. H. (2015): <em>Assessment of cost as a function of abatement options in maritime emission control areas.</em> Transportation Research Part D, 38, 41-48.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.trd.2015.04.018" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.trd.2015.04.018</a></dgdoi:pub-id>
23. Fagerholt K., Gausel N. T., Rakke J. G., Psaraftis H. N. (2015): <em>Maritime routing and speed optimization with emission control areas</em>. Transportation Research Part C, 52, 57-73.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.trc.2014.12.010" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.trc.2014.12.010</a></dgdoi:pub-id>
25. Kumar S., Kwon H., Choi K., Hyun Cho J., Lim W., Moon I. (2011): <em>Current status and future projections of LNG demand and supplies: A global prospective</em>. Energy Policy, 39(7), 4097-104.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.enpol.2011.03.067" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.enpol.2011.03.067</a></dgdoi:pub-id>
27. Maxwell D., Zhu Z. (2011): <em>Natural gas prices, LNG transport costs, and the dynamics of LNG imports</em>. Energy Econ., 33(2), 217-26.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.eneco.2010.06.012" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.eneco.2010.06.012</a></dgdoi:pub-id>
28. ME-GI Dual Fuel MAN B&W Engines. A Technical, Operational and Cost-effective Solution for Ships Fuelled by Gas. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://goo.gl/caO0k1">http://goo.gl/caO0k1</ext-link> [accessed 19.11.16].
31. Rusman N. A. A., Dahari M. (2016): <em>A review on the current progress of metal hydrides material for solid-state hydrogen storage applications</em>. International Journal of Hydrogen Energy, 41, 12108-12126.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ijhydene.2016.05.244" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ijhydene.2016.05.244</a></dgdoi:pub-id>
34. Romero Gómez J., Romero Gómez M., Lopez Bernal J., Baaliña Insua A. (2015): <em>Analysis and efficiency enhancement of a boil-off gas reliquefaction system with cascade cycle on board LNG carriers</em>. Energy Convers. Manage., 94,261-74.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.enconman.2015.01.074" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.enconman.2015.01.074</a></dgdoi:pub-id>
36. Sinha R. P., Nik W. M. N. W. (2011): <em>Investigation of propulsion system for large LNG ships</em>. 1st International Conference on Mechanical Engineering Research (ICMER2011)
39. Yeo D., Ahn B., Kim J., Kim I. (2007): <em>Propulsion alternatives for modern LNG carriers</em>. In: Gas Technology Institute -15th International Conference and Exhibition on Liquefied Natural Gas 2007, LNG 15 GNL 15, 620-35.
40. Yu Y. H., Kim B. G., Lee D. G. (2013): <em>Cryogenic reliability of the sandwich insulation board for LNG ship</em>. Composite Structures, 95, 547-556, ISSN 0263-8223.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.compstruct.2012.07.007" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.compstruct.2012.07.007</a></dgdoi:pub-id>
41. Shin Y. G., Lee Y. P. (2009): <em>Design of a boil-off natural gas reliquefaction control system for LNG carriers</em>. Applied Energy, 86(1), 37-44, ISSN 0306-2619.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.apenergy.2008.03.019" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.apenergy.2008.03.019</a></dgdoi:pub-id>
42. Fan Z., Zhao P., Niu M., Maddy J. (2016): <em>The survey of key technologies in hydrogen energy storage</em>. International Journal of Hydrogen Energy, 41, 14535-4552.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ijhydene.2016.05.293" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ijhydene.2016.05.293</a></dgdoi:pub-id>