"Steuerabzug." . . "Impôt Déductions." . . "Conference on Proposals for a Tax Credit Scheme, 1972." . . . "IFS Conference on Proposals for a Tax-Credit System (1972 London)" . . . "Impôt Déductions Grande-Bretagne." . . "IFS Conference on Proposals for a Tax-Credit System : [papers and discussion]" . . . . . "Conference proceedings"@en . . "IFS Conference on Proposals for a Tax-Credit System" . . . . . . . "IFS Conference on Proposals for a Tax-Credit System : papers and discussion"@en . . . . . "Conference papers and proceedings" . . . . . . "IFS Conference on Proposals for a Tax-Credit System (London : 1972)" . . . . . "IFS Conference on Proposals for a Tax-Credit System (1972 : London, England)" . . . "Großbritannien." . .