The Madai-Baturong limestone member of the chert-spilite formation, North Borneo - Adams, C. G. (Charles Geoffrey).; Kirk, H. J. C.; Borneo. Geological Survey Department (Kuching: Government Printing Office, 1963)
Reprint from : Proceedings of the British Borneo Geological Conference 1961. British Borneo Geological Survey Bulletin 4, 1963, 79-90
Keywords: Limestone -- Sabah; Chert -- Sabah; Spilites -- Sabah