Fusulinacean fossils from Thailand. Part 6: Fusulinacean fossils from north Thailand. Geology Paleont SE Asia, 10 1972: 63-116. 98 [Zoological Record Volume 112]
Fusulinacean fossils from Thailand, part 6. Fusulinacean fossils from north Thailand. Geology Paleont SE Asia, 9 1972: 63-116. 98 [Zoological Record Volume 111]