@misc{Butler_Bert_Sylvenus_(1877-1960)_Bulletin,
 author={Butler, Bert Sylvenus (1877-1960) and Gale, Hoyt Stoddard (1876-1952)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 511. Alunite : a newly discovered deposit near Marysvale, Utah},
 keywords={geology, mineralogy, United States of America, journals},
}