@misc{Putsche_Carl_Wihelm_Ernst_Nauka_1839, author={Putsche, Carl Wihelm Ernst}, editor={Koźmian, Andrzej Edward. Tłumacz}, copyright={Public Domain}, address={Kraków}, howpublished={online}, year={1839}, publisher={druk i nakład Józefa Czecha}, language={pol}, title={Nauka chodowania pszczół, oparta na wieloletniém doświadczeniu}, type={Text}, URL={http://www.rcin.org.pl/Content/75671/PDF/WA058_85795_K14695_Nauka-chodow-Putsch.pdf}, keywords={bee culture - handbooks, manuals, etc., honeybee - breeding - handbooks, manuals, etc. [c], apiculture - breeding - handbooks, manuals, etc.}, }