000 00270nam a2200109Ia 4500
008 220201s1992 xx 000 0 eng d
100 _aKaila, Mohan
245 0 _aEngg. Professional studies
260 _bNew Delhi : Satya prakashan
_c1992
300 _a215
942 _2ddc
999 _c84919
_d84919