[1]
Ciereszko, A., Kowalczyk, A., Lukaszewicz, E., Krzywinski, A., Kobus, A. and Dietrich, G.J. 2009. Sperm characteristics of male hybrid from a cross between male Black Grouse Tetrao tetrix and female Capercaillie T. urogallus. Ornis Fennica. 86, 4 (Dec. 2009), 149–152.