000			00314nam a2200133Ia 4500
008			241013s9999 xx 000 0 und d
020			_a9780780334557
100			_aHingorani, Narain G
245		0	_aUnderstanding Facts
250			_a2
260			_aN Delhi _bPHI Learning _c2010
300			_a628
942			_cREF
999			_c11584 _d11584