@misc{Perrin_M._R._Seasonal_1979,
 author={Perrin, M. R.},
 volume={24},
 number={23},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1979},
 language={eng ; sum. eng. ; pol.},
 type={Text},
 title={Seasonal variation in the growth, body composition and diet of Clethrionomys gapperi in spruce forest},
 URL={http://rcin.org.pl/Content/10593/PDF/BI002_2613_Cz-40-2_Acta-T24-nr23-299-318_o.pdf},
 keywords={body composition, Clethrionomys gapperi, diet, growth, mortality, numbers, sezonowa zmienność, tempo wzrostu, skład ciała, pokarm, wzrost},
}