@misc{LaForge_Laurence_Bulletin,
 author={LaForge, Laurence},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 839. Geology of the Boston Area, Massachusetts},
 keywords={geology, mineralogy, journals, United States of America},
}