000 00265nam a22001217a 4500
999 _c1693
_d1693
020 _a9788181282620
082 _a512.74
100 _aChris Godsil & Gordon Royle
245 _aAlgebraicGraph Theory
260 _aDelhi
_bSpringer
_c2009
300 _a439
942 _cBK