Proceedings of 3-9th Pacific Science Congress of the Pacific Sci. Assoc..Tokyo (1926); Java (1929); Canada (1933); San Francisco (1943); Aukland (1951), Philippine, 1956; Thailand (1958)
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Proceedings of 3-9th Pacific Science Congress of the Pacific Sci. Assoc..Tokyo (1926); Java (1929); Canada (1933); San Francisco (1943); Aukland (1951), Philippine, 1956; Thailand (1958)