00421cam a2200145 a 4500020001700000040000800017082002600025245004000051260007700091300003300168650001700201650001700218700002300235700001700258  a1851480099 :  cDLC00a363 TYC 1986 A017 Or.00aGlobal aspects of food production /  aOxford [Oxfordshire] ;aRiverton, N.J. :bTycooly International,cc1986.  axx, 449 p. :bill. ;c26 cm. 0aAgriculture. 0aFood supply.1 aSwaminathan, M. S.1 aSinha, S. K.