000 00304nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631(02) N.43
100 _a"Brady, N.C., Ed."
245 _aAdvances in Agronomy -vol. 43
260 _a1990
_bAcademic Press
_cLondon
300 _a373
942 _cBK
999 _c61089
_d61089