000 00289nam a2200121Ia 4500
008 140317s9999 xx 000 0 und d
082 _a631.8
100 _aTandon,H.L.S.
245 _aNon-traditional sectors for fertiliser use.
260 _a
_b
_c1992
300 _a143
942 _2ddc
_cBK
999 _c13113
_d13113