000 00266nam a2200121Ia 4500
008 230108s9999 xx 000 0 und d
245 0 _aCrop Science Vol-31 No(1-2)
260 _bCSSA
260 _c1991
365 _bGratis
650 _aBack Volume
942 _cBK
999 _c258142
_d258142