00329nam a2200133Ia 4500020001500000082001900015100001800034245001900052260002900071300002800100500005700128500000500185700000500190  a0817642528  a511.5bW214.MG  aWallis, W. D.  aMagic graphsb  aBostonbBirkhauserc2001  axiv, 146p. Bibl. Index.  a"Purchased under NBHM grant for the year 2001-2002".  a  a