Cooke, F.Findlay, C. S.2012-06-222012-06-221982Am. Nat. 120 (1982): 543-547.http://hdl.handle.net/10315/17344enPolygenic variation and stabilizing selection in a wild population of Lesser Snow Geese (Anser caerulescens caerulescens).Articlehttp://www.press.uchicago.eduhttp://www.jstor.org/stable/2461077