Civil, Construction and Environmental Engineering - 1959 Tuma, J. J., & Havner, K. S. (1959). Analysis of continuous beams on elastic supports by carry-over moments. In Research Publication (Oklahoma State University. School of Civil Engineering) (Vol. 7). Stillwater, OK: Oklahoma State University, School of Civil Engineering. Havner, K. S., & Tuma, J. J. (1959). Influence lines for continuous beams. In Publication (Oklahoma State University. Engineering Experiment Station) (Vol. 106). Stillwater, OK: Oklahoma State University, Engineering Experiment Station.