@misc{Larsen_Esper_Signius_(1879-1961)_Bulletin,
 author={Larsen, Esper Signius (1879-1961) and Berman, Harry (1902-1944)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 848. The microscopic determination of the nonopaque minerals : second edition},
 keywords={geology, mineralogy, journals, United States of America},
}