Fresh-water biology

समान संसाधन

• A manual on methods for the assessment of a secondary productivity in fresh waters
  द्वारा: Winberg, G. G, और अन्य
  प्रकाशित: (1971)
• The practice of water pollution biology
  द्वारा: Mackenthum, Kenneth M.
  प्रकाशित: (1969)
• Biology and water pollution control
  द्वारा: Warren, Charles E
  प्रकाशित: (1971)
• Fresh water biology
  द्वारा: Ward Baldwin, Henry, और अन्य
  प्रकाशित: (1945)
• Freshwater fishery biology
  द्वारा: Lagler, Karl F
  प्रकाशित: (1956)