@misc{Stose_George_Willis_(1869-1960)_Bulletin,
 author={Stose, George Willis (1869-1960) and Jonas, Anna Isabel (1881-1974)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 840. Geology and mineral resources of the Middletown Quadrangle, Pennsylvania},
 keywords={geology, mineralogy, journals, United States of America},
}