00309nam a2200121Ia 4500020001800000082001600018100001900034245003500053260002900088300000900117650001800126700004300144  a9780387987361  a511.6 HAR/C  aHarris, John M 0aCombinatorics And Graph Theory  bSpringeraNew Yorkc2000  a225p  aCombinatorics  aJeffry L. Hirst :  Michael Mossinghoff