Robertson, R. E. (2000). Chemical properties of asphalts and their effects on pavement performance. Transportation Research Board, National Research Council.
Chicago-viite (17. p.)Robertson, Raymond E. Chemical Properties of Asphalts and Their Effects on Pavement Performance. Washington, DC: Transportation Research Board, National Research Council, 2000.
MLA-viite (9. p.)Robertson, Raymond E. Chemical Properties of Asphalts and Their Effects on Pavement Performance. Transportation Research Board, National Research Council, 2000.
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