@misc{Ross_Clarence_Samuel_(1880-1975)_Bulletin,
 author={Ross, Clarence Samuel (1880-1975)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 686-N. Structure and oil and gas resources of the Osage Reservation, Oklahoma. TPS. 20 and 21 N., R. 12 E},
 keywords={geology, mineralogy, United States of America, journals},
}