Hamada 1969. Late Palaeozoic brachiopods from Red Beds in the Malayan peninsula. Contributions to the geology and palaeontology of Southeast Asia, 69. Kobayashi, T.; Tori-yama, R.[Eds]. Geology and palaeontology of southeast Asia., Geology and palaeontology of southeast Asia. University of Tokyo, Tokyo 6., 1969: 251-264. Chapter pagination: 251-264