Não informado. (2003). Road Materials and Pavement Design. Hermes Sciences.
Lua i Stíl Chicago (17ú heag.)Não informado. Road Materials and Pavement Design. Oxford, Inglaterra: Hermes Sciences, 2003.
Lua MLA (8ú heag.)Não informado. Road Materials and Pavement Design. Hermes Sciences, 2003.
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