000 00266nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aD.S.C
245 0 _aGraph theory & Combinetrics
260 _aPrism book
_bNew Delhi
_c2007
300 _b0
650 _aMATHEMATICS
999 _c136820
_d136820