@misc{Clapp_Charles_Horace_(1883-1935)_Bulletin,
 author={Clapp, Charles Horace (1883-1935)},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={czasopismo},
 title={Bulletin 704. Geology of the Igneous Rocks of Essex County, Massachusetts},
 keywords={geologia, mineralogia, czasopisma, Massachusetts (Stany Zjednoczone ; stan)},
}