@misc{Bowkiewicz_Jan_(1896–1968)_Rak_1928, author={Bowkiewicz, Jan (1896–1968)}, copyright={Rights Reserved - Restricted Access}, howpublished={online}, year={1928}, publisher={Nakł. Gebethnera i Wolffa}, language={pol}, title={Rak}, type={Text}, keywords={Crayfish, Zoology}, }