Grundlagenforschung zur Biologie der Zwergtrappe, Tetrax tetrax
1985
Schultz, Holger |
Species monitoring
Population ecology and management of Wisconsin pheasants
1965
Wagner, Frederic H. |
Besadny, C. D. |
Kabat, Cyril |
A report on safe catching of Japanese crested ibises
1981
Yoshii, Masashi |
Birds from Liberia : with a discussion of barriers between upper and lower Guinea subspecies
1951
Rand, Austin Loomer |
Results of an aerial survey of Irish wildfowl and their wetlands
1971
Cabot, David |
Atlas des oiseaux nicheurs de France de 1970 à 1975 : oeuvre collective des ornithologues de France
1976
Yeatman, Laurent |