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2by Kendeigh, S.C. (ed.), Polska Akademia Nauk, Warsaw (Poland). Inst. Ekologii pol, International Biological Programme. Working Group on Granivorous Birds. Meeting eng 6-8 Sep 1970 The Hague (Netherlands) 400962, Pinowski, J. (ed.), International Biological Programme, Warsaw (Poland). Working Group on Granivorous Birds eng
Published 1973Texto bibliotecaFAO IT