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Lua i Stíl Chicago (17ú heag.)Janoff, M. S. Pavement Roughness and Rideability Field Evaluation. Washington, D.C: Transportation Research Board, National Research Council, 1988.
Lua MLA (9ú heag.)Janoff, M. S. Pavement Roughness and Rideability Field Evaluation. Transportation Research Board, National Research Council, 1988.
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