Рајна: Разлика помеѓу преработките

* {{PDFlink|[http://www.nederlandleeftmetwater.nl/UserFiles/File/PKB%20Ruimte%20voor%20de%20rivier%20Engels.pdf Spatial Planning Key Decision Room for the River. Investing in the safety and vitality of the Dutch river basin region (Dec 2006)]|1.31&nbsp;[[Mebibyte|MiB]]<!-- application/pdf, 1378268 bytes -->}}

* [http://www.ppl.nl/index.php?option=com_wrapper&view=wrapper&Itemid=82 Bibliography on Water Resources and International Law] Peace Palace Library

 

=== Геологија ===