4
Publications
97
Citations
4
H-Index
1957
Active since
L E Keefer is an author specializing in transportation engineering, civil engineering, and engineering.
Top concepts
EngineeringCivil EngineeringTransportation EngineeringUrban PlanningSystems EngineeringTraffic EngineeringTransportation Systems AnalysisLogisticsHumanitiesWar Studies
Publications per year
1957–1989
4
4
MEASUREMENT OF URBAN TRAFFIC CONGESTION
C A Rothrock, L E Keefer · Highway research record · 1957 · 13 citations
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