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Google圖書搜尋
Migration of Snow Geese Across Southern Manitoba
H. Blokpoel
Maureen Catherine Gauthier
其他書名
Part 2, Influence of the Weather and Prediction of Major Flights
出版
Information Canada
, 1975
URL
http://books.google.com.hk/books?id=1OYjxQEACAAJ&hl=&source=gbs_api
