000 00277nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
100 _aGarg, HP
245 0 _aIndustrail maintenance
250 _a3
260 _bNew Delhi : S. Chand Co.
_c1990
300 _a610
942 _2ddc
999 _c85164
_d85164