000			00326nam a2200133Ia 4500
008			231217s9999 xx 000 0 und d
041			_aEnglish
082			_a530 _bPHP
100			_aPhysical Science Study Committee
245		0	_aPhysics
260			_aBoston _bD.C Health And Company _c1960
650			_aPhysics
942			_cBK
999			_c12334 _d12334