00366nam a2200133Ia 4500020001800000082001600018100002400034245008200058250001200140260003200152300000900184650001800193700002100211  a9781584885061  a511.6 COL/H  aColbourn, Charles J 0aHandbook of Combinatorial Designs (Discrete Mathematics and Its Applications)  a2ND ED.  bCrc PressaBoca Ratonc2007  a984p  aCombinatorics  aJeffrey H Dinitz