00249nam a2200109Ia 4500008004100000100001800041245002500059260001700084260000900101546001200110999001700122170619s9999    xx            000 0 und d  aLIPSCHUTZ- S. 0aDISCRETE MATHEMATICS  bMc Graw Hill  c2008  aENGLISH  c18758d18758