Etat de la protection de la nature dans le monde en 1950 = The position of nature protection throughout the world in 1950 : addendum
1954
Wildlife Management Institute, US
Proceedings of the national wetland classification and inventory workshop
1976
Sather, J. Henry |
Big game of North America : ecology and management
1978
Schmidt, John L. |
Gilbert, Douglas L. |
Muskrats and marsh management
1961
Errington, Paul L. |
White-tailed deer : ecology and management
1984
Halls, Lowell K. |
If deer are to survive : how to meet food and cover needs
1971
Dasmann, William |
The birds of Alaska
1959
Gabrielson, Ira Noel |
Lincoln, Frederick Charles |
Guía para la conservación de la naturaleza
1953
Palmer, E. Laurence |
An outline of the origins and growth of the IUCN Survival Service Commission
1968
Coolidge, Harold J. (Harold Jefferson) |