000 00290nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a621
_bMAT
100 _aMathur, SB
245 0 _aCourse in mechanical engineering
260 _bDelhi: Dhanpat Rai
_c1990
300 _a829
942 _2ddc
999 _c85795
_d85795