000			00343nam a2200145Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a531
100			_aSYMON, Keith R.
245		0	_aMechanics
250			_a3rd.
260			_aLondon _bAddison-wesley publishing com _cpany 1979
300			_axii, 639p.
942			_cSR
999			_c78582 _d78582