@misc{Hansson_L._Sex_1978,
 author={Hansson, L.},
 volume={23},
 number={10},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1978},
 type={Text},
 title={Sex ratio in small mammal populations as affected by the pattern of fluctuations},
 URL={http://www.rcin.org.pl/Content/10495/PDF/BI002_2613_Cz-40-2_Acta-T23-nr10-203-212_o.pdf},
 keywords={Clethrionomys glareolus, behaviour, Microtus agrestis, population, sex-ratio, small mammals, fluktuacja, drobne gryzonie, stosunek płci, szczyt liczebności},
}