1. J. S. Alabaster, 1982 : Survey of fish-farm effluents in some EIFAC countries. In: Report of the EIFAC Workshop on Fish-Farm Effluents, Silkeborg, Denmark, 26-28 May 1981. EIFAC Tech. Pap. (41), 5 -20 .
2. A. Alanara, A. Bergheim, S. J. Cripps, R. Eliassen, and R. Kristiansen(in subm.). An integrated approach to aquaculture wastewater management. Fish Farm Effluents and their Control in EC Countries. Environmental Aspects, Regulations and Future Perspectives: a Workshop, 23-25 November 1992, Hamburg, Germany.
3. A. Bergheim, T. Tyvold, and E. A. Seymour, 1991 : Effluent loadings and sludge removal from landbased salmon farming tanks. Proceedings of Aquaculture Europe 1991: Aquaculture and the Environment International Aquaculture Conference. Doublin, Ireland, 10-12 June, 1991. EAS Special Publ. (14). EAS: Bredene, Belgium, p.27 .
4. Sludge removal from salmonid tank effluent using rotating microsieves
5. S. J. Cripps, 1991 : Comparison of methods for the removal of suspended particles from aquaculture effluents. Book of Abstracts and Short Communications, EAS Special Publication No. 14. EAS, Bredene, Belgium, p80 -81 .