@misc{Evans_Isabel_P._Bulletin,
 author={Evans, Isabel P.},
 copyright={Biblioteka Politechniki Gdańskiej},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={czasopismo},
 title={Bulletin 580-P. Publications by survey authors on metals and nonmetals except fuels},
 keywords={geologia, mineralogia, czasopisma},
}