000 02525nas a2200517 a 4500
008 170703d19571971nyuw||p#r||||#00|#||eng#d
003 AR-SmCIES
022 _a0009-272X
210 0 _aCHEM. WEEK
222 0 _aChemical week
245 0 0 _aChemical week
260 _aNew York, N.Y. :
_bMc Graw-Hill,
310 _aSemanal
653 _aQUIMICA
999 _c13335
_d13335