000 00290nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aS B Singh
245 _aCombinatorics and Graph theory
260 _bDelhi:Khanna Pub.
_c2002
300 _a540p.
650 _aComputer
999 _c4575
_d4575