1. Klaiber, F. W., Dunker, K. F. and Sanders, W. W., Jr., Feasibility study of strengthening existing single span steel beam concrete deck bridges. Final Report, ERI Project 1460, ISU-ERI-Ames 81251, Engineering Research Institute, Iowa State University, Ames, Iowa, 1981
2. Klaiber, F. W., Dunker, K. F. and Sanders, W. W., Jr., Strengthening of single-span steel-beam bridges. Journal of the Structural Division, ASCE, 1982, 108(12), 2766–2780
3. Klaiber, F. W., Dedic, D. J., Dunker, K. F. and Sanders, W. W., Jr., Strengthening of existing single span steel beam and concrete deck bridges. Final Report — Part I, ERI Project 1536, ISU-ERI-Ames 83185, Engineering Research Institute, Iowa State University, Ames, Iowa, 1983
4. Dunker, K. F., Klaiber, F. W., Beck, B. L. and Sanders, W. W., Jr., Strengthening of existing single-span steel-beam and concrete deck bridges. Final Report — Part II, ERI Project 1536, ISU-ERI-Ames 85231, Engineering Research Institute, Iowa State University, Ames, Iowa, 1985
5. Dunker, K. F., Klaiber, F. W. and Sanders, W. W., Jr., Design manual for strengthening single-span composite bridges by post-tensioning. Final Report — Part III, ERI Project 1536, ISU-ERI-Ames 85229, Engineering Research Institute, Iowa State University, Ames, Iowa, 1985