1. Hong Kong Annual Digest of Statistics, 1996 edn,1996
2. Water quality in Hong Kong and the influence of the Pearl River;Broom,1996
3. Marine Water Quality in Hong Kong for 1995;Chan,1996
4. The extent of oil pollution in the beaches and inshore waters of Hong Kong;Chan,1997
5. Chemistry and Ecotoxicology of Pollution;Connell,1984