1. Allen, P. M. and Stephens, E. A., 1971: Rep. on the Geol. Survey of Hong Kong. Government Press, Hong Kong, 107 pp.
2. Bell, G. J. and Chin, P. C., 1968: The Probable Maximum Rainfall in Hong Kong. Government Press, Hong Kong, 145 pp.
3. Hong Kong Government, 1972a: Interim Report of the Commission of Inquiry into the Rainstorm Disasters, 1972. Government Press, Hong Kong, 20 pp.