@misc{Buszko_S._[Microtus_24.03.1970,
 author={Buszko, S.},
 copyright={Rights Reserved - Restricted Access},
 howpublished={online},
 year={24.03.1970},
 title={[Microtus arvalis z młodymi(4)]},
 keywords={microtus arvalis, mammals},
}