Geology and oil possibilities of the Philippines
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Manila
Bureau of Print.
1951.
|
| Saila: | Philippines (Republic) Department of Agriculture and Natural Resources. Technical bulletin
no. 21 |
| Gaiak: |