00796cam a2200253 i 450000100060000000300080000600500170001400800410003103500190007204000320009104100080012308200210013110000190015224500480017126000390021930000280025849000590028650400300034565000430037565000390041865000250045783000120048283000480049414999BD-RjUL20211208235730.0140209m19781977ii a     b    000 0 eng d  a(BD-RjUL)15053  aDLCcDLCdDLCdBD-RjULbeng  aeng00a597.05bCUS 19781 aCushing, D. H.10aScience and the fisheries /cD. H. Cushing.  aNew Delhi :bOxford ,cc1977,1978.  a60 p. :bill. ;c21 cm.1 aThe Institute of Biology's Studies in biology ; no. 85  aBibliography: p. [59]-60. 0aFish populationsxMathematical models. 0aFishery management, International. 0aFisheriesxResearch. 0vno. 85. 0aInstitute of Biology's studies in biology ;