(1954). Proceedings of the Ohio Highway Engineering Conference 1953: Held at the Ohio State University Columbus, Ohio, May 19-20-21, 1953. Ohio: The Ohio State University Columbus. College of Engineering.
Παραπομπή Chicago StyleProceedings of the Ohio Highway Engineering Conference 1953: Held At the Ohio State University Columbus, Ohio, May 19-20-21, 1953. Ohio: The Ohio State University Columbus. College of Engineering, 1954.
Παραπομπή MLAProceedings of the Ohio Highway Engineering Conference 1953: Held At the Ohio State University Columbus, Ohio, May 19-20-21, 1953. Ohio: The Ohio State University Columbus. College of Engineering, 1954.
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