000			00501cam a22001811 4500
999			_c11034 _d11034
082			_aCir 531 Se1 1950
100	1		_aSears, Francis Weston, _d1898-1975.
245	0	0	_aMechanics, heat and sound. _cFrancis Weston Sears
250			_a2nd ed.
260			_aCambridge, Mass. _bAddison-Wesley Press, Inc. _cc1950.
300			_a527 p. _billus. _c24 cm.
490	1		_aPrinciples of physics series
526			_a500-599
650		0	_aMechanics.
650		0	_aHeat.
650		0	_aSound.
942			_2ddc _cBK