000			00317nam a2200145Ia 4500
008			131111s9999 xx 000 0 und d
100			_aUpadhaya,R
245			_aMudra vigyan
260			_aNew Delhi
260			_bDiamond Pocket Books
260			_c2001
300			_a85p.
650			_aPhilosphy
763			_a22966
999			_c42015 _d42015