000 00307nam a22001337a 4500
999 _c633
_d633
020 _a9780070648241
082 _a511.102
100 _aKenneth H Rosen
245 _aDiscrete Mathematics & Its Applications
250 _a6th
260 _aNew Delhi
_bTata McGraw Hill
_c2009
300 _a1-23
942 _cBK
_072