@misc{Petrusewicz_K._Productivity_1968, author={Petrusewicz, K. and Andrzejewski, R. and Bujalska, G. and Gliwicz, J.}, volume={13}, number={26}, copyright={Rights Reserved - Free Access}, address={Białowieża}, journal={Acta Theriologica}, howpublished={online}, year={1968}, language={eng ; sum . eng ; pol}, title={Productivity investigation of an island population of Clethrionomys glareolus (Schreber, 1780). IV. Production}, type={Text}, URL={http://rcin.org.pl./Content/9665/PDF/BI002_2613_Cz-40-2_Acta-T13-nr26-435-445_o.pdf}, keywords={Clethrionomys glareolus, island population, Bełdany Lake, population, productivity}, }