000 00407nam a2200157Ia 4500
008 170101s1971 xx 000 0 und d
082 _a631.81 O44F
100 _aOLSON, R. A
245 0 _aFertilizer technology and use
260 _bMadison
_c1971
300 _a611p
650 _aFERTILIZERS AND MANURES
653 _aFERTILIZER INDUSTRIES U. S
653 _aFERTILIZERS AND MANURES
942 _2ddc
_cB
999 _c68043
_d68043