@misc{Schaefer_V._H._Concentrations_1979, author={Schaefer, V. H. and Sadleir, M. F. S.}, volume={24}, number={21}, copyright={Rights Reserved - Free Access}, journal={Acta Theriologica}, address={Białowieża}, howpublished={online}, year={1979}, language={eng ; sum. eng.}, title={Concentrations of carbon dioxide and oxygen in mole tunnels}, type={Text}, URL={http://rcin.org.pl./Content/17256/PDF/BI002_2613_Cz-40-2_Acta-T24-nr21-267-271_o.pdf}, keywords={concentrations of carbon dioxide, concentrations of oxygen, Scapanus orarius, dwutlenek węgla, kret}, }