000			002770000a22001330004500
245			_aPhysics
110			_aPhysical Science Study Committee
250			_a2d ed.
260			_aBoston _bHeath _c1965
300			_a197 p.
080			_a53 _bP5
041			_aEN
942			_cBK
999			_c51744 _d51744