A platform for research: civil engineering, architecture and urbanism
Traffic surveys by post cards : presented at the thirtieth annual meeting 1951
Traffic surveys by post cards : presented at the thirtieth annual meeting 1951
Traffic surveys by post cards : presented at the thirtieth annual meeting 1951
Annual meeting. Highway Research Board ; 30 ; 1951 ; Washington, DC
1951
II, 30 S.
graph. Darst., Kt.
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Conference Proceedings
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