000			00313nam a2200145Ia 4500
100			_aVatssa/ B.S.
942			_cBK
654			_aMathematics
245			_aDiscrete mathematics 3rd ed
260			_bWishwa Prakashan _aNew Delhi _c1993
082			_a510 _bVAT
300			_a273
546			_aENGLISH
999			_c23726 _d23726