000			00900nam a2200169 4500
020			_a9781847241481
024			_a123375497
050			_aQC24.5
082			_a530
100	1		_aJoanne Baker
245	1		_a50 Physics Ideas
260			_bBook Sales, Inc.
300			_a208 pages
520			_a
650			_aPhysical Sciences
999			_c2694 _d2694