000 00306nam a2200145Ia 4500
100 _aTimings/ R.L.
942 _cRB
654 _aMechnical Engineering
245 _aMechnical Engineering
260 _bLongman
_aLondon
_c1972
082 _a621
_bTim
300 _a216
546 _aENGLISH
999 _c27359
_d27359