O'Keeffe, P. J. (1962). Economic aspects of road improvements in Ireland.
Lua i Stíl Chicago (17ú heag.)O'Keeffe, Peter J. Economic Aspects of Road Improvements in Ireland. 1962.
Lua MLA (9ú heag.)O'Keeffe, Peter J. Economic Aspects of Road Improvements in Ireland. 1962.
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