@misc{Schaller_Waldemar_Theodore_(1882-1967)_Bulletin,
 author={Schaller, Waldemar Theodore (1882-1967) and Henderson, Edward Porter (1898- )},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 833. Mineralogy of drill cores from the potash field of New Mexico and Texas},
 keywords={geology, mineralogy, potash, United States of America, journals},
}