000 00270nam a2200109Ia 4500
008 230718s9999||||xx |||||||||||||| ||und||
082 _a621.811
100 _aRATTAN S S
245 0 _aTHEORY OF MECHINES (IN SL UNITS)
260 _bT M H
_c1993
_aNEW DELHI
300 _a686
999 _c33571
_d33571