@misc{Winchester_Dean_Eddy_1883-1936_Bulletin,
 author={Winchester, Dean Eddy (1883-1936)},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={czasopismo},
 title={Bulletin 729. Oil shale of the Rocky Mountain Region},
 keywords={geologia, mineralogia, czasopisma},
}