000 00309nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631.1(02) M0.32
100 _a"Brady, N.C., ed."
245 _aAdvances in Agronomy -vol. 32
260 _a1980
_bAcademic Press
_cNew York
300 _a161
942 _cBK
999 _c60726
_d60726