00393nam a2200133Ia 4500020001500000082001900015100004700034245002800081260003600109300001900145490005700164500000500221700003300226  a3110168103  a511.5bD748.AC  aDowney, Rod and Hirschfeldt, Denis d eds.  aAspects of complexityb  aBerlinbWalter de Gruyterc2001  av, 172p. Bibl.  aDe Gruyter series in Logic and its applications v 4  a  aHirschfeldt, Denis ; jt. ed.