@misc{_[Mine_[1930-1939],
 copyright={Rights Reserved - Restricted Access},
 howpublished={online},
 year={[1930-1939]},
 title={[Mine workers] [An iconographic document]},
 keywords={Coal Mine "Siersza" (Trzebinia, Poland), ethnography, material culture, social culture, factory buildnig, mine worker, siding, Trzebinia, Chrzanów district (Poland)},
}