%0 Journal Article %T Song Variation in Dark-Eyed Juncos in Nova Scotia %A Williams,, Laidlaw %A MacRoberts, Michael, H. %J The Condor: Ornithological Advances %V 80 %N 2 %P 237-240 %@ 0010-5422 %D 1978-04-01 %I Oxford Academic %~ DeepDyve