Second progress report of the investigation of prestressed -concrete for highway bridges / conducted by the Engineering- Experiment Station University of Illinois ; in cooperation- with the Division of Highway State of Illinois and the Bur-eau of Public Roads U.S. Department of Commerce
Second progress report of the investigation of prestressed -concrete for highway bridges / conducted by the Engineering- Experiment Station University of Illinois ; in cooperation- with the Division of Highway State of Illinois and the Bur-eau of Public Roads U.S. Department of Commerce
- Urbana, Ill. : University of Illinois
- [60] p.
- Progress report ; no.2 .