000 00304nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631(02) L4.26
100 _a"Brady, N.C., ed."
245 _aAdvances in AGronomy -vol. 26
260 _a1974
_bAcademic Press
_cLondon
300 _a355
942 _cBK
999 _c59076
_d59076