Scientific Conference "Geographical Research and Cross-Border Cooperation within the Lower Basin of the Danube"
Abstract
-
Copyright (c) 2010 Dénes Lóczy
![Creative Commons License](http://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png)
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.