000 00232nam a2200109Ia 4500
020 _a812192524X
082 _a621.8
100 _aGUPTA, J.K and KHURMI
245 _aTHEORY OF MECHANES
260 _aNEW DELHI
_b C.B.S
_c2011
942 _cBK
999 _c401
_d401