Peyton, Leonard J.
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ARCTIC Том 20 № 2 (1967): June: 61–144 - Articles
Migration of Willow Ptarmigan in Arctic Alaska
Аннотация PDF (English) -
ARCTIC Том 23 № 4 (1970): December: 213–296 - Articles
Geographic Variation in Body Size and Weight of Willow Ptarmigan
Аннотация PDF (English)