01206cam a22003011  45000010008000000030008000080050017000160080041000330100017000740150014000910400027001050500021001320600022001530820017001752450274001922600043004663000034005093500011005435040041005546500024005956500034006196500030006536500027006836500024007107000039007347100104007737100027008774542072BD-DhUL20141229102055.0710426s1967    enkaf    b    100 0 eng b  a   68069532   aB67-25962  aDLCcDLCdDLCdBD-DhUL00aQL615b.B5 1966b  aQL 615bB615 196600a597.093bGEB04aThe Biological basis of freshwater fish production :ba symposium sponsored by Sectional Committee on Productivity of Freshwater Communities of the International Biological Programme, the University, Reading, England, 1-6 September, 1966 /cedited by Shelby D. Gerking.  aOxford :bBlackwell Scientific,c1967.  axiv, 495 p. :bill. ;c23 cm.  aŁ5/5/  aIncludes bibliographical references. 0aFishesxCongresses. 0aFish populationsxCongresses. 0aFish culturevCongresses. 2aFisheriesxcongresses. 2aFishesxcongresses.1 aGerking, Shelby Delos,d1918-eed.2 aInternational Biological Programme.bSectional Committee on Productivity of Freshwater Communities.2 aUniversity of Reading.