@misc{Loughlin_G._F._(1880-1946)_Bulletin,
 author={Loughlin, G. F. (1880-1946) and Loughlin, Gerald Francis (1880-1946)},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={czasopismo},
 title={Bulletin 690-A. Zinc carbonate and related copper carbonate ores at Ophir, Utah},
 keywords={geologia, mineralogia, czasopisma, Utah (Stany Zjednoczone ; stan)},
}