000 00275nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aPrahlad Singh And Sen D K
245 0 _aMechanics
260 _bBharatibhawan
_c1985
300 _a360
650 _aPhysics
942 _cBK
999 _c33130
_d33130