@misc{Niewiarowski_Władysław_<An>,
 author={Niewiarowski, Władysław and Noryśkiewicz, Bożena and Piotrowski, Wojciech and Sinkiewicz, Mieczysław},
 howpublished={online},
 title={<An> outline of natural and anthropogenic changes of geographical environment in the Biskupin area during the last 7000 years.},
}