Russland : Wüsten und Berge
1975
St. George, George |
Nature conservation
Chapli National park : Ukrainia
Kolodjko, M. M. |
Averin, V. G. |
Gomon, U. T. |
The Astrakhan reservation
1972
Mashkov, B. K. |
Rusanov, G. M. |
Looduskaitse ja puhkus
1983
Varep, E. |
Biosphere reserves
1982
Lappland
1976
Marsden, W. |
Nature protection in Russia
1981
Inozemtsev, A. A. |
Taimeriigi kaitsest Eesti NSV-s
1988
Laasimer, Liivia |
Land classification and patterns of animal distributions in the management of national parks : Coto Doñana, Spain
1974
Rogers, Patrick Morison |