Lake Balaton : research and management
1988
Misley, Károly |
Ecosystem surveys
Research in Shark Bay : report of the France-Australe Bicentenary Expedition Committee
1990
Berry, P. F. |
Small tropical islands : water resources of paradises lost
1992
Galkland, Anthony C. |
Estonian wetlands and their life
1974
Kumari, Eerik |
Report on an ecological survey of the proposed Shimba Hills national reserve
1968
Glover, P. E. |
Safari : East Africa and its National Parks a U.T.C. Guide
1973
Townsend, Derek |
Les Alpes apprivoisées : impact des infrastructures techniques sur l'environnement alpin suisse
1991
Stvan, Jaro |