000 00391nam a2200157 a 4500
005 20260717072138.0
008 260701s1986 ii 000 0 eng d
020 _a0582446309
041 _aeng
100 1 _aSimmonds, N. W.
245 1 0 _aPrinciples of crop improvement /
_cSimmonds, N. W.
250 _a2 nd ed.
264 1 _aLondon :
_bLongman,
_c1986.
300 _a408 p.
942 _cBK
999 _c11279
_d11279