S. Williams
Armah, A., D. Mora, U. Barg, D. Bartley, D. Soto, U. Waller, S. Williams, F. Yiusoff, and S. Zagranitchnyi. 2004. “Solutions for Sustainable Mariculture - Avoiding the Adverse Effects of Mariculture on Biological Diversity”. CBD Technical Series No. 12, UNEP, Montreal, Canada, 1-52.