Upgrading of wastewater treatment plants : proceedings of the IAWPRC international specialized conference, held in Munich, FRG, 3 - 7 September 1989

International Specialized Conference on Upgrading of Wastewater Treatment Plants / International Association on Water Pollution Research and Control / European Water Pollution Control Association | TIBKAT | 1990

Advanced wastewater treatment and reclamation : proceedings of the IAWPRC conference held in Cracow, Poland, 25-27 September 1989

International Association on Water Pollution Research and Control / International Conference on Advanced Wastewater Treatment and Reclamation | UB Braunschweig | 1991

Advanced wastewater treatment and reclamation : proceedings of the IAWPRC conference held in Cracow, Poland, 25-27 September 1989

International Association on Water Pollution Research and Control / International Conference on Advanced Wastewater Treatment and Reclamation | TIBKAT | 1991

Advanced wastewater treatment and reclamation : proceedings of the IAWPRC [International] Conference [on Advanced Wastewater Treatment and Reclamation, ... the fifth] held in Cracow, Poland, 25 -27 September 1989

Kurbiel, Jerzy | Katalog Agrar | 1991

Waste stabilization ponds : proceedings of an IAWPRC specialized conference held in Lisbon, Portugal, 29 June - 2 July 1987

International Association on Water Pollution Research and Control / Associação Portuguesa de Recursos Hídricos | TIBKAT | 1987