TY  - RPRT
TI  - Reconnaissance geologic map and cross sections of central Costa Rica
AU  - R.D. Krushensky
AU  - Enrique V. Malavassi
AU  - Rolando M. Castillo
PY  - 1976
DO  - 10.3133/i899
UR  - https://pubs.usgs.gov/publication/i899
ID  - i899
ER  -