Erseus 1992. Hong Kong's marine Oligochaeta: a supplement. Morton, Brian[Ed]. The marine flora and fauna of Hong Kong and southern China 3. Volume 1: introduction, taxonomy and ecology. Proceedings of the Fourth International Marine Biological Workshop: The Marine Flora and Fauna of Hong Kong and Southern China, Hong Kong, 11-29 April 1989., Hong Kong University Press, Hong Kong, 1992: i-xxx, 1-526. Chapter pagination: 157-180