Geology and coal resources of Semirara Island, Antique /
by José F. Vergara.
APA Citation
Vergara, J. F., Philippine Council for United States Aid., United States. International Cooperation Administration., Philippines. Bureau of Mines. (1956). Geology and coal resources of Semirara Island, Antique. Manila: Philippine Bureau of Mines under the auspices of the United States International Cooperation Administration and the Philippine Council for United States Aid.
MLA Citation
Vergara, José F, Philippine Council for United States Aid, United States. International Cooperation Administration, and Philippines. Bureau of Mines. Geology And Coal Resources of Semirara Island, Antique. Manila: Philippine Bureau of Mines under the auspices of the United States International Cooperation Administration and the Philippine Council for United States Aid, 1956.