@misc{Bergen_Carl_August_von_(1704–1759)_Disputatio_1752,
 author={Bergen, Carl August von (1704–1759) and Heyn, Franz. Oprac and Winter, Johann Christian (17..-1791). Druk},
 copyright={Public Domain},
 address={Francofurti ad Viadrum},
 howpublished={online},
 year={1752},
 publisher={Typis Ioannis Christiani Winteri Acad. Reg. Typogr},
 language={lat},
 title={Disputatio Physica Circularis De Animalibus Hieme Sopitis},
 URL={http://rcin.org.pl/miiz/Content/56387/PDF/WA058_4749_K9405_Disputatio-Bergen.pdf},
 keywords={hibernation, early works to 1800, early printed books, animals},
}