Highway planning, a symposium : papers presented at the twenty-fourth annual Michigan Highway Conference, Ann Arbor, Feb. 15-17, 1938
| Enti autori: | , |
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| Natura: | Atti del Convegno Libro |
| Lingua: | English |
| Pubblicazione: |
[Lansing, Mich.] :
Michigan State Highway Dept.,
[1938?]
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| Soggetti: |