000 00324nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631:614(082.2) L0
100 _a"Blas�r, R.E."
245 _aAgronomy and Health(ASA Special publication series no. 16)
260 _a1969
_bASA
_cU.S.A.
300 _a59
942 _cBK
999 _c58338
_d58338