@misc{Loughlin_Gerald_Francis_(1880-1946)_Bulletin,
 author={Loughlin, Gerald Francis (1880-1946)},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={czasopismo},
 title={Bulletin 811-C. Indiana Oolitic Limestone : relation of its natural features to its commercial grading},
 keywords={geologia, Stany Zjednoczone Ameryki Północnej, mineralogia, geografia, czasopisma, Indiana (Stany Zjednoczone ; stan)},
}