@misc{_Proceedings_1974,
 editor={Polska Akademia Nauk. Instytut Zoologii},
 editor={Meeting of the European Ornithological Atlas Committee (2 ; 1972 ; Dziekanów Leśny)},
 editor={Meeting of the International Bird Census Committee (4 ; 1972 ; Dziekanów Leśny)},
 editor={Williamson, Kenneth (1914– )},
 editor={Pinowski, Jan (1930– )},
 journal={Acta Ornithologica},
 address={Warszawa},
 howpublished={online},
 year={1974},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 language={pol},
 language={rus},
 type={Text},
 title={Proceedings of the Fourth Meeting of the International Bird Census Committee and Second Meeting of the European Ornithological Atlas Committee},
 keywords={birds, congresses},
}