Waste Stabilization Ponds: Technology and the Environment - Selected proceedings of the 4th International Specialist Conference on Waste Stabilization Ponds: Technology and the Environment, held in Marrakech, Morocco, 20-23 April, 1999 - Preface
H. Pearson, Waste Stabilization Ponds: Technology and the Environment - Selected proceedings of the 4th International Specialist Conference on Waste Stabilization Ponds: Technology and the Environment, held in Marrakech, Morocco, 20-23 April, 1999 - Preface, WATER SCI T, 42(10-11), 2000, pp. VIII-VIII