000 00282nam a2200121Ia 4500
008 220201s1983 xx 000 0 eng d
082 _a540 SIN
100 _aNarendra Singh
245 0 _aPolytechnic applied chemistry
260 _bKatson Pub
_c1983
300 _a288
942 _2ddc
999 _c82221
_d82221