@misc{Surdacki_S._Untersuchungen_1958,
 author={Surdacki, S.},
 volume={2},
 number={10},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1958},
 language={ger ; sum. pol},
 type={Text},
 title={Untersuchungen auf zwei Populationen des Perlziesels (Citellus suslica Gueld.) im Lubliner Gebiet; Badania nad dwoma populacjami susła perełkowanego (Citellus suslica Gueld.) na Lubelszczyźnie},
 URL={http://rcin.org.pl/Content/7859/PDF/BI002_2613_Cz-40-2_Acta-T2-nr10-203-233_o.pdf},
 keywords={body & skull dimensions, Citellus suslica, morphological variability, numbers, population differences, reproduction, sexual dimorphism},
}