000			00315nam a2200145Ia 4500
008			230302s9999 xx 000 0 und d
041			_aENGLISH
082			_a530
100			_aAsimov I
245		0	_aUnderstanding Physics
260			_aaaa _bDhvanyaloka
300			_a0
650			_aCurrent Science
942			_cBK
999			_c9151 _d9151