000 00279nam a2200121Ia 4500
008 160710s1955 xx 000 0 und d
082 _aFIL
100 _aFILDES,J. E.
245 _aTHE INDUSTRIAL CHEMIST
260 _bTOTHILL PUBLISHED
_c1955
300 _a638
942 _2ddc
_cB
999 _c18423
_d18423