Yazar
Dirk Kempthorne
2 cilt bulundu.
Cilt sonuçları
The future of America's national parks
Dirk Kempthorne · U.S. Dept. of the Interior, National Park Service
18 sayfa · 2007
National parks and reserves / Planning / United States. National Park Service / United States
Radar Technology Applied to Migratory Conservation and Management
Dirk Kempthorne, Mark D. Myers · Nova Science Publishers, Incorporated
165 sayfa · 2009
Radar in ornithology / Birds, migration / Conservation / Congresses / Birds