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7by Blus, Lawrence J., Stroud, Richard K., Sutton, G. Michael, Smith, Kent A., Shelton, Timothy J., Vanderkoppel, Gerald A., Pederson, N. David, Olson, William E.Get access
Published in Northwestern Naturalist (1991)
Article in Journal/Newspaper -
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10by Fabricius, Eric, Bylin, Anders, Ferno, Anders, Radesater, TommyGet access
Published in Ornis Scandinavica (1974)
Article in Journal/Newspaper