TY  - RPRT
TI  - A revised bibliography of the geology and mineral deposits of the Guayana Shield in Venezuela, Brazil, Guyana, Suriname, French Guiana, and Colombia
AU  - G.B. Sidder
PY  - 1989
DO  - 10.3133/ofr89564
UR  - https://pubs.usgs.gov/publication/ofr89564
ID  - ofr89564
ER  -