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Molt of Primaries and Age Determination in Tengmalm's Owl (Aegolius funereus)
Birger Hörnfeldt, Bengt-Göran Carlsson and Åke NordströmVolume:
105
Language:
english
Journal:
The Auk
DOI:
10.2307/4087397
Date:
October, 1988
File:
PDF, 562 KB
english, 1988