000 00273nam a2200121Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
040 _aET
100 _aRattan , S.S.
245 0 _aTheory of Machines
260 _bMC Grow Hill
_aNEW DELHI
500 _a59894
942 _cBK
999 _c65857
_d65857