Proceedings of the thirty-second annual meeting - Highway Research Board : Washington, D.C., January 13 - 16, 1953

National Research Council, Highway Research Board, USA / National Research Council, Division of Engineering and Industrial Research, USA | TIBKAT | 1953

Proceedings of the thirty-eighth annual meeting - Highway Research Board : Washington, D.C., January 5 - 9, 1959

National Research Council, Highway Research Board, USA / National Research Council, Division of Engineering and Industrial Research, USA | TIBKAT | 1959

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

National Research Council, Highway Research Board, USA / National Research Council, Division of Engineering and Industrial Research, USA | TIBKAT | 1960

Proceedings of the thirty-first annual meeting - Highway Research Board : Washington, D.C., January 15 - 18, 1952

National Research Council, Highway Research Board, USA / National Research Council, Division of Engineering and Industrial Research, USA | TIBKAT | 1952

Proceedings of the thirty-sixth annual meeting - Highway Research Board : Washington, D.C., January 7 - 11, 1957

National Research Council, Highway Research Board, USA / National Research Council, Division of Engineering and Industrial Research, USA | TIBKAT | 1957