References
- 1. Lario, J., Sánchez-Moral, S., Cañaveras, J. C., Cuezva, S., & Soler, V. (2005). Radon continuous monitoring in Altamira Cave (northern Spain) to assess user’s annual effective dose. J. Environ. Radioact., 80, 161–174. DOI: 10.1016/j.jenvrad.2004.06.007.10.1016/j.jenvrad.2004.06.007
- 2. Thinová, L., & Burian, I. (2008). Effective dose assessment for workers in caves in the Czech Republic: Experiments with passive radon detectors. Radiat. Prot. Dosim., 130(1), 48–51. DOI: 10.1093/rpd/ncn118.10.1093/rpd/ncn118
- 3. Alvarez-Gallego, M., Garcia-Anton, E., Fernandez-Cortez, A., Cuezva, S., & Sanchez-Moral, S. (2015). High radon levels in subterranean environments: monitoring and technical criteria to ensure human safety (case of Castañar cave, Spain). J. Environ. Radioact., 145, 19–29. DOI: 10.1016/j. jenvrad.2015.03.024.
- 4. Somlai, J., Hakl, J., Kavasi, N., Szeiler, G., Szabo, P., & Kovacs, T. (2011). Annual average radon concentration in the show caves of Hungary. J. Radioanal. Nucl. Chem., 287, 427–433. DOI: 10.1007/s10967-010-0841-9.10.1007/s10967-010-0841-9
- 5. Przylibski, T. A. (1999). Radon concentration changes in the air of two caves in Poland. J. Environ. Radioact., 45, 81–94.10.1016/S0265-931X(98)00081-2
- 6. Dueñas, C., Fernández, M. C., Cañete, S., Carretero, J., & Liger, E. (1999). 222Rn concentrations, natural flow rate and the radiation exposure levels in the Nerja Cave. Atmos. Environ., 33, 501–510.10.1016/S1352-2310(98)00267-2
- 7. Lu, X., Li, L.Y., & Zhang, X. (2009). An environmental risk assessment of radon in Lantian Karst Cave of Shaanxi, China. Water Air Soil Pollut., 198, 307–316. DOI: 10.1007/s11270-008-9847-0.10.1007/s11270-008-9847-0
- 8. Bahtijari, M., Vaupotič, J., Gregorič, A., Stegnar, P., & Kobal, I. (2008). Exposure to radon in the Gadime Cave, Kosovo. J. Environ. Radioact., 99, 343–348. DOI: 10.1016/j.jenvrad.2007.08.003.10.1016/j.jenvrad.2007.08.00317904705
- 9. Barbosa, S. M., Zafrir, H., Malik, U., & Piatibratova, O. (2010). Multi-year to daily radon variability from continuous monitoring at the Amram tunnel, southern Israel. Geophys. J. Int., 182, 829–842. DOI: 10.1111/j.1365-246X.2010.04660.x.10.1111/j.1365-246X.2010.04660.x
- 10. Gregorič, A., Zidanšek, A., & Vaupotič, J. (2011). Dependence of radon levels in Postojna Cave on outside air temperature. Nat. Hazards Earth Syst. Sci., 11, 1523–1528. DOI: 10.5194/nhess-11-1523-2011.10.5194/nhess-11-1523-2011
- 11. Gregorič, A., Zidanšek, A., & Vaupotič, J. (2013). Reasons for large fluctuation of radon and CO2 levels in a dead-end passage of a karst cave (Postojna Cave, Slovenia). Nat. Hazards Earth Syst. Sci., 13, 287–297. DOI: 10.5194/nhess-13-287-201310.5194/nhess-13-287-2013
- 12. Hakl, J., Csige, I., & Hunyadi, I. (1996). Radon transport in fractured porous media – experimental study in caves. Environ. Int., 22, S433–S437.10.1016/S0160-4120(96)00143-2
- 13. Fernandez-Cortes, A., Sanchez-Moral, S., Cuezva, S., Cañaveras, J. C., & Abella, R. (2009). Annual and transient signatures of gas exchange and transport in the Castañar de Ibor cave (Spain). Int. J. Speleol., 38(2), 153–162.10.5038/1827-806X.38.2.6
- 14. Kowalczk, A. J., & Froelich, P. N. (2010). Cave air ventilation and CO2 outgassing by radon-222 modelling: how fast do the caves breathe? Earth Planet. Sci. Lett., 2899, 209–219. DOI: 10.1016/j.epsl.2009.11.010.10.1016/j.epsl.2009.11.010
- 15. Milanolo, S., & Gabrovšek, F. (2009). Analysis of carbon dioxide variations in the atmosphere of Srednja Bijambarska Cave, Bosnia and Herzegovina. Bound-Lay. Meteorol., 131, 479–493. DOI: 10.1007/s10546-009-9375-5.10.1007/s10546-009-9375-5
- 16. Faimon, J., Štelcl, J., & Sas, D. (2006). Anthropogenic CO2-flux into cave atmosphere and its environmental impact: A case study in the Císařská Cave (Moravian Karst, Czech Republic). Sci. Total Environ., 369, 231–245.10.1016/j.scitotenv.2006.04.00616750843
- 17. Droppa, A. (1962a). Speleologický výskum Važeckého krasu (Speleological research of Važec karst area). Geografical Journal, 14(4), 264–293.
- 18. Droppa, A. (1962b). Važecká jaskyňa a krasové javy v okolí (Važecká Cave and karst phenomena in surrounding area). Bratislava, Slovakia: Šport.
- 19. Bella, P., Littva, J., Pruner, P., Bosák, P., Šlechta, S., Hercman, H., & Čížiková, K. (2016). Geologická stavba, morfológia a vývoj Važeckej jaskyne (Geological setting, morphology and evolution of the Važecká Cave, Slovakia). Acta Carsologica Slovaca, 54(1), 5–31.
- 20. Zelinka, J. (2002). Termodynamická charakteristika Važeckej jaskyne (Termodynamic characterization of the Važecká Cave). In Výskum, využívanie a ochrana jaskýň, Zborník referátov z 3. Vedeckej konferencie, (Investiagation, protection and using of caves, conference proceedings), 14–16 November, 2001 (pp. 123–131). SSJ, Žilina, Slovakia: Liptovský Mikuláš Knižné centrum.