National Cooperative Highway Research Program. Summary of progress - National Cooperative Highway Research Program 2005. Highway Research Board, National Research Council.
Citace podle Chicago (17th ed.)National Cooperative Highway Research Program. Summary of Progress - National Cooperative Highway Research Program 2005. [Washington]: Highway Research Board, National Research Council.
Citace podle MLA (9th ed.)National Cooperative Highway Research Program. Summary of Progress - National Cooperative Highway Research Program 2005. Highway Research Board, National Research Council.
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