Water pollution research and development Part 2 : proceedings of a conference held in Toronto, Canada, 23 - 27, June 1980

Eitemau Tebyg

• Water Pollution research and development Part I Proceedings of a conference held in toronto, Landa 23.27 June 1980
  gan: Jenkins, S.H
  Cyhoeddwyd: (1981)
• Water pollution Research and Development (part $) Proceedings of aconference hild in Toronto , Conads
  gan: Jenkins, S.H
  Cyhoeddwyd: (1981)
• Air and water pollution; proceedings of the summer workshop, August 3 to August 15, 1970, University of Colorado.
  gan: Brittin, Wesley Emil
  Cyhoeddwyd: (1972)
• Water pollution control in developing countries : V.2 : proceedings of the international conference held at Bangkok, Thailand February 21 - 25,1978
  gan: Lohani, B.N
  Cyhoeddwyd: (1978)
• Water pollution control in developing countries : proceedings of the international conference held at Bangkok, Thailand February 21 - 25, 1978
  gan: Lohani, B.N
  Cyhoeddwyd: (1978)