00378nam a2200157 a 450000500170000000800410001702000150005804100080007308200100008110000190009124500350011025000120014526400330015730000140019065000160020420260717092634.0260717s2001    ii            000 0 eng d  a8185015554  aeng04a511.51 aHarary, Frank.10aGraph Theory /cHarary, Frank.  a1st ed. 1aNew Delhi :bNarosa,cc2001.  axi, 286p. 4aMathematics