@misc{Bock_E._Estimation_1973, author={Bock, E. and Kołodziej, A.}, volume={18}, number={10}, copyright={Rights Reserved - Free Access}, journal={Acta Theriologica}, address={Białowieża}, howpublished={online}, year={1973}, language={eng ; Sum. ang ; pol.}, title={Estimation of fatness of common vole by the method of collective sample}, type={Text}, URL={http://rcin.org.pl/ibs/Content/10152/PDF/BI002_2613_Cz-40-2_Acta-T18-nr10-201-207_o.pdf}, keywords={method of collective sample, fat content, Microtus arvalis, specific weight, Nornik polny, otłuszczenie, próba zbiorcza, ciężar właściwy, ekstrakcja zbiorcza}, }