000			00348nam a2200157Ia 4500
008			170207s9999 xx 000 0 und d
020			_a9788126527908
082			_a510 SIN-D
100			_aSingh
245			_aDiscrete mathematical structures
260			_bWiley
300			_a350
365			_b479
650			_aMathematics
942			_cBOOKS
999			_c49965 _d49965