TY  - RPRT
TI  - Borehole petrophysical chemostratigraphy of Pennsylvanian black shales in the Kansas subsurface
AU  - J.H. Doveton
AU  - D. F. Merriam
PY  - 2004
DO  - 10.1016/j.chemgeo.2003.12.027
UR  - https://pubs.usgs.gov/publication/70026586
ID  - 70026586
ER  -