Proceedings of the twenty-seventh annual meeting - Highway Research Board : held at Washington, D.C., December 2 - 5, 1947

Crum, Roy W. | TIBKAT | 1948

Proceedings of the twenty-eighth annual meeting - Highway Research Board : held at Washington, D.C., December 7 - 10, 1948

Crum, Roy W. | TIBKAT | 1949

Proceedings of the twenty-sixth annual meeting - Highway Research Board : held at Washington, D.C., December 5 - 8, 1946

Crum, Roy W. | TIBKAT | 1947

Proceedings of the twentieth annual meeting - Highway Research Board : held at Washington, D.C., December 3 - 6, 1940

Crum, Roy W. | TIBKAT | 1940

Proceedings of the thirty-ninth annual meeting - Highway Research Board : Washington, D.C., January 11 - 15, 1960

Orland, Herbert P. | TIBKAT | 1960