00386nam a2200121Ia 4500082001900000100003900019245004500058260004800103300002200151490005400173500000500227700003200232  a511.5bC182.DG  aCameron, P. J. and Lint, J. H. Van  aDesigns, graphs, codes and their linksb  aCambridgebCambridge University Pressc1991  aviii, 240p. Index  aLondon Mathematical society student textsv v. 22  a  aLint, J. H. Van ; jt. auth.