TY  - RPRT
TI  - Clay mineralogy of Devonian shales in the Appalachian Basin
AU  - John W. Hosterman
AU  - Sallie I. Whitlow
PY  - 1981
DO  - 10.3133/ofr81585
UR  - https://pubs.usgs.gov/publication/ofr81585
ID  - ofr81585
ER  -