000 00432 a2200169 4500
003 IARI
005 20160208195407.0
008 160208b xxu||||| |||| 00| 0 eng d
080 _a631.522
_bS 592 P
100 1 _aSimmonds, N.W.
245 1 _aPrinciples of crop improvement
_cby N.W. Simmonds
260 _aLondon
_bLongman
_c1979
300 _a408 p.
650 _aCrop Improvement
650 _aPlant Breeding
942 _cTB
_2udc
999 _c56749
_d56749