TY  - RPRT
TI  - Geology and mineral resources of West Africa
AU  - J. B. Wright
AU  - D. A. Hastings
AU  - W. B. Jones
AU  - H. R. Williams
PY  - 1985
DO  - 10.1007/978-94-015-3932-6
UR  - https://pubs.usgs.gov/publication/70236911
ID  - 70236911
ER  -