@misc{Emmons_William_Harvey_1876-1948_Bulletin,
 author={Emmons, William Harvey (1876-1948) and Larsen, Esper Signius (1879-1961)},
 copyright={Biblioteka Politechniki Gdańskiej},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={czasopismo},
 title={Bulletin 718. Geology and ore deposits of the Creede District, Colorado},
 keywords={geologia, mineralogia, czasopisma, Kolorado (Stany Zjednoczone ; stan)},
}