TY  - BOOK
TI  - Investigation of prestressed reinforced concrete for highwa-y bridges : seventeenth progress report / prepared as a par-t of an investigation conduced by the Engineering Experimen-t Station University of Illinois ; in cooperation with the -Division of Highways State of Illinois and U.S. Department -of Transportation Federal Highway Administration Bureau of -Public Roads
CY  - Urbana, Ill. : University of Illinois
ER  -