Vos, G. J. d. (1982). Social Behaviour of black grouse: An observational and experimental field study.
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Chicago-čujuhus (17. p.)
Vos, Gerrit Johann de. Social Behaviour of Black Grouse: An Observational and Experimental Field Study. Groningen, 1982.
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MLA-čujuhus (9. p.)
Vos, Gerrit Johann de. Social Behaviour of Black Grouse: An Observational and Experimental Field Study. 1982.
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