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Gyrfalcon color variation
Published in Journal of Raptor Research, in 2003, in volume 37, issue 2, pages 173-174
Created: 2017-04-07, modified: 2017-04-07
Nematological notes. I-II
Published in Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i Kjøbenhavn, in 1922, in volume 74, pages 57-67
Created: 2012-06-20, modified: 2012-06-20