Xehetasun bibliografikoak
| Egile nagusia: |
Carter, Everett C. |
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| Egile korporatiboa: |
National Research Council (U.S.). Transportation Research Boar,
University of Maryland, College Park. Transportation Studies Cente,
Bergstralh-Shaw-Newman, In,
American Association of State Highway and Transportation Official |
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| Beste egile batzuk: |
Garmong, J. E. (Jeffrey E.,
Shaw, M. |
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| Formatua: | Liburua
|
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| Hizkuntza: | English |
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| Argitaratua: |
Washington, D.C.
National Academy Press
1994.
|
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| Saila: | Report (National Cooperative Highway Research Program)
36
|
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| Gaiak: | |
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