TY  - RPRT
TI  - Paleoclimatic controls on coal resources of the Pennsylvanian system of North America - introduction and overview of contributions
AU  - T.L. Phillips
AU  - C. B. Cecil
PY  - 1985
DO  - 10.1016/0166-5162(85)90008-4
UR  - https://pubs.usgs.gov/publication/70012940
ID  - 70012940
ER  -