@misc{Schultz_Alfred_Reginald_(1876-?)_Bulletin,
 author={Schultz, Alfred Reginald (1876-?)},
 copyright={Biblioteka Politechniki Gdańskiej},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 680. A geologic reconnaissance for phosphate and coal in Southeastern Idaho and Western Wyoming},
 keywords={geologia, mineralogia, węgiel, czasopisma, Idaho (Stany Zjednoczone ; stan), Wyoming (Stany Zjednoczone ; stan)},
}