(1960). Proceedings of the fourteenth annual Ohio highway engineering conference 1960. Columbus: Ohio State University, Department of Civil Engineering.
Παραπομπή Chicago StyleProceedings of the Fourteenth Annual Ohio Highway Engineering Conference 1960. Columbus: Ohio State University, Department of Civil Engineering, 1960.
Παραπομπή MLAProceedings of the Fourteenth Annual Ohio Highway Engineering Conference 1960. Columbus: Ohio State University, Department of Civil Engineering, 1960.
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