TY  - BOOK
AU  - Irving,Earl M.
ED  - Instituto Nacional de Investigaciones Geologico-Mineras
TI  - Structural evolution of the northernmost Andes, Colombia
U1  - 558.61 
PY  - 1975///
CY  - Washington, D.C.
PB  - United States Geological Survey
KW  - Geology
KW  - Colombia
KW  - Geosynclines
N1  - Includes index; Bibliography: p. 38-42
ER  -