Rishworth, D. E. H The Upper Mesozoic terrigenous Gagau Group of Peninsular Malaysia/ by D. E. H. Rishworth. - xiii, 78 pages, [4] fold. leaves of plates: illustrations ; 26 cm. Bibliography: p. (68)-69. Subjects--Topical Terms: Geology, Stratigraphic--Mesozoic.Geology--Malaysia.