TY  - BOOK
ED  - Bureau of Mines and Geo-Sciences
TI  - Geology and mineral resources of the Philippines: volume 1: geology
U1  - 551.599 
PY  - 1981///
CY  - Metro Manila
PB  - Ministry of Natural Resources
KW  - Geology
KW  - Mines and mineral resources
N1  - Includes references
ER  -