@misc{Ûrgenson_P._B._Red._Sbornik_1956,
 author={Ûrgenson, P. B., Red.},
 copyright={Rights Reserved - Restricted Access},
 address={Moskva},
 howpublished={online},
 year={1956},
 publisher={Izdatel'stvo Ministerstva Sel'skogo Hozâjstva SSSR},
 language={rus},
 type={Text},
 title={Sbornik materialov po rezul´tatam izučeniâ mlekopitaûŝih v gosudarstvennyh zapovednikah},
 keywords={mammals, national parks},
}