000 00399nam a2200157Ia 4500
008 170207s9999 xx 000 0 und d
082 _aPG 661 AYY-C2.1
100 _aAyyangar, N R, et al.
245 _aCourse in Industrial chemistry, Part1
250 _a2
260 _bOrient Longmans Ltd., New Delhi
260 _c1977
300 _a195
650 _aIndustrial chemicals
942 _cBOOKS
999 _c26372
_d26372