Culverts and slope protection 4 reports ; prepared at the 42nd Annual Meeting, January 7-11, 1963.
| Egile korporatiboa: | , , , |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C.
Highway Research Board, Division of Engineering and Industrial Research, National Academy of Sciences-National Research Council
1963.
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| Saila: | Highway research record
no. 30. Publication (National Research Council (U.S.)) no. 1130. |
| Gaiak: |