00333nam a2200133 a 450000500170000002000150001708200150003210000180004724500270006526000290009230000260012149000340014770000180018120251203110738.0  a8181282620  a511.5bGOD  aGodsil, Chris  aAlgebraic graph theory  aNew YorkbSpringerc2001  axix, 439p.c24 cm. PB  aGraduate Texts in Mathematics  aRoyle, Gordon