@Book{819, title="Wst{\k{e}}pne wyniki budkowego wychowu prosi{\k{a}}t", series="Annales Universitatis Mariae Curie-Sk{\l}odowska. Sectio E, Agricultura", year="1954", address="Lublin", url="https://hdl.handle.net/20.500.12838/5159d461-972d-4637-a245-681e87a89214", language="Polish" }