University of Illinois Urbana-Champaign

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Showing 9931–9960 of 12,074 items
Thumbnail for Effect of Flaggers and Spotters in Directing Work Zone Traffic for Illinois Expressways and Freeways
Effect of Flaggers and Spotters in Directing Work Zone Traffic for Illinois Expressways and Freeways
El-Rayes, Khaled; Liu, Liang; El-Gohary, Nora; Abdelmohsen, Ahmed Zafer

Thumbnail for Annual report : fiscal year 1993 : July 1, 1992 - June 30, 1993
Annual report : fiscal year 1993 : July 1, 1992 - June 30, 1993
Hazardous Waste Research and Information Center