000 00456nam a2200169Ia 4500
008 140208s9999 xx 000 0 und d
020 _a9780632041916
044 _aGermany
080 _a631.53 SI56P
100 _aSimmonds, N.W.
245 _aPrinciples of crop improvement
_cN.W. Simmonds and J. Smartt
250 _a2nd ed.
260 _bBlackwell Science
_aBerlin
_c1999
300 _axii, 412 p.; 26cm.
700 _aSmartt, J.
942 _2udc
_cGB
999 _c26756
_d26756