000			00348nam a2200145Ia 4500
008			170207s9999 xx 000 0 und d
082			_aPG 530 WAT-O
100			_aWatson, W H
245			_aOn understanding physics
260			_bHarper & Brother Publishers, New York
260			_c1959
300			_a146
650			_aPhysics
942			_cBOOKS
999			_c10332 _d10332