DOI: https://doi.org/10.1515/mgrsd-2015-0031 | Journal eISSN: 2084-6118 | Journal ISSN: 0867-6046 (formerly 2084-6118)
Language: English
Page range: 5 - 8
Submitted on: May 29, 2015
Accepted on: Dec 15, 2015
Published on: Dec 30, 2015
Published by: Faculty of Geography and Regional Studies, University of Warsaw
In partnership with: Paradigm Publishing Services
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© 2015 Frank Eckardt, published by Faculty of Geography and Regional Studies, University of Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.