000			00325nam a2200133Ia 4500
082			_a530 _bPER
100			_aPerelman, Y.
245			_aPhysics for entertainment. Vol.1. Tr. by A. Shkarovsky.
260			_aMoscow _bForeign Languages Pub. House
300			_a210p.
500			_aENG
890			_aRussia
999			_c25428 _d25428
650			_aPhysics