TY - BOOK AU - Imbsen, Roy A. AU - Nutt, Richard V. / coaut.Penzien, Joseph / coaut. ED - University of California, Berkeley. Earthquake Engineering - Research CenterE. U. Department of Transportation. Federal Highway Adminis-tration TI - Seismic response of bridges-case studies / by Roy A. Imbsen-, Richard V. Nutt, Joseph Penzien CY - Berkeley, California : Engineering Research Center N1 - "Report to U.S. Department of Transportation, Federal Highw-ay Administration""June 1978" ER -