Guidelines for the control of undesirable biological growths in water.

समान संसाधन

• Guidelines for the management of water colour and clarity.
  प्रकाशित: (1994)
• System of water quality from the biological point of view.
  द्वारा: Sladecek, Vladimir
  प्रकाशित: (1973)
• Workshop : biological assessment of water quality /
  द्वारा: Wilhm, Jerry L.
  प्रकाशित: (1979)
• Biological data in water pollution assessment : quantitative and statistical analyses : a symposium /
  प्रकाशित: (1978)
• Biological monitoring of water and effluent quality : a symposium, Blacksburg, Va., 2-4 Nov. 1975 /
  प्रकाशित: (1976)