000 00346 a2200121 4500
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100 _aKnowles, F.
245 _aA practical course in agricultural chemistry /
_cF. Knowles, J. E. Watkin
260 _aLondon
_bMacmillan and Co. Ltd.
_c1056
300 _a229p.
700 _aWatkin, J. E.
942 _2ddc
_cBK
999 _c8701
_d8701