@misc{Donchev_Stefan_Distribution_1974, author={Donchev, Stefan}, editor={Polska Akademia Nauk. Instytut Zoologii}, editor={Meeting of the International Bird Census Committee (4 ; 1972 ; Dziekanów Leśny)}, editor={Meeting of the European Ornithological Atlas Committee (2 ; 1972 ; Dziekanów Leśny)}, copyright={Rights Reserved - Restricted Access}, address={Warszawa}, journal={Acta Ornithologica}, howpublished={online}, year={1974}, publisher={Państwowe Wydawnictwo Naukowe}, language={eng}, language={pol}, language={rus}, type={Text}, title={Distribution and numbers of birds of the order Galliformes in Bulgaria}, keywords={birds, counting, Bulgaria, congresses, distribution, Galliformes, Aves}, }