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Schwartz, C.W., Einstein, H.H., Azzouz, A.S., and Steiner, W. (1980). Improved Design of Tunnel Supports: Final Report. Massachusetts Institute of Technology, Department of Civil Engineering. Prepared for U.S. Department of Transportation, Urban Mass Transportation Administration, Office of Rail and Construction Technology, Transportation Systems Center, under Contract no. DOT-TSC-1489. Report no. DOT-OS-60136, DOT/RSPA/DPB-50-79/10, May 1980. MIT Libraries: 000122455