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

समान संसाधन

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