@misc{Clarke_Frank_Wigglesworth_(1847-1931)_Bulletin,
 author={Clarke, Frank Wigglesworth (1847-1931)},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 616. The data of geochemistry},
 keywords={geochemistry, geology, mineralogy, journals},
}