00597     2200181   4500001002100000005001500021035002000036245014400056100001900200300003300219856001400252260003400266084002300300020001800323650002000341008004100361990001300402INLIS00000000000624320250602105150  a0010-06250000051 aAccelerating the transfer of wheat breeding gains to farmers: a study of the dynamics of varietal replacrmrnt in Pakistan /cPaul W. Heisey0 aPaul W. Heisey  a94 p. :bIlus, Tab. ;c25 cm  aBRMP PADI  aMexico, D.F. :bCIMMYT,c1990  a633.11-152(54) ACC  a968-6127-40-2 4aWHEAT, SEREALIA250602                           0 eng    a034/1991