000 00271nam a22001097a 4500
020 _a3540644776
082 _a631.558
_bSMI.C
100 _aSmith Donald, L Ed.
245 _aCrop Yeild: Physiology and processes
260 _aNew York
_bSpringer Verlag
_c1999
942 _cBK
999 _c213695
_d213695