TY  - BOOK
AU  - Sidder, Gary B.
AU  - Garcia g, Andres
AU  - Stoeser, J.W.
ED  - U.S. Geological Survey
TI  - Geology and mineral deposits of the Venezuelan Guayana Shield
PY  - 1995///
CY  - Washington
PB  - U.S. G.P.O.
N1  - Includes bibliographical refrences
ER  -