A manual on methods for the assessment of a secondary productivity in fresh waters

समान संसाधन

• A manual on methods for the assessment of secondary productivity in fresh waters
  द्वारा: Downing, John A, और अन्य
  प्रकाशित: (1984)
• Fresh-water biology
  द्वारा: Edmondson, W. T, और अन्य
  प्रकाशित: (1959)
• Biology and water pollution control
  द्वारा: Warren, Charles E
  प्रकाशित: (1971)
• The practice of water pollution biology
  द्वारा: Mackenthum, Kenneth M.
  प्रकाशित: (1969)
• Métodos de hidrobiología: biología de agua dulce
  द्वारा: Schwoerbel, Jürgen
  प्रकाशित: (1975)