000 00273nam a2200109Ia 4500
008 220201s1991 xx 000 0 eng d
100 _aSpotts, MF
245 0 _aDeisgn of machine elements
260 _bNewDelhi : Prentic hall of india
_c1991
300 _a730
942 _2ddc
999 _c84725
_d84725