000 00238nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aMATHUR (SB)
245 0 _aELEMENTS OF MECHANICAL ENGG.
260 _bN.DELHI, DHANPAT RAI
942 _2ddc
999 _c99475
_d99475