Advances in water pollution research : proceedings of the fourth International Conference of the IAWPR held in Prague, 1969 /

समान संसाधन

• Advances in water pollution research : proceedings of the Second International Conference of the IAWPR held in Tokyo, 1964.
  प्रकाशित: (1965)
• Advances in water pollution research : proceedings of the Third International Conference of the IAWPR held in Munich, 1966.
  प्रकाशित: (1967)
• Advances in water pollution research.
• Advances in water pollution research.
  प्रकाशित: (1971)
• Water pollution and the environment : proceedings of the symposium /
  प्रकाशित: (1974)