Water Pollution research 1973 : report of the director of water pollution research /

Նմանատիպ նյութեր

• Water pollution research
  ‌: International Conference on Water Pollution Research (7th : 1974 : Paris)
  Հրապարակվել է: (1974)
• Advances in water pollution research
  ‌: 256113 International Conference on Water Pollution Research, 6th, Jerusalem, 18-23 June, 1972
• Water pollution research : proceedings /
  ‌: International Conference on Water Pollution Research (8th : 1976 : Sydney, Australia), և այլն
  Հրապարակվել է: (1978)
• Report of a river pollution survey of England and Wales 1970, 1973
  ‌: Great Britain. Department of the Environment
• Water pollution control technology /
  ‌: Great Britain. Department of the Environment
  Հրապարակվել է: (1979)