Progress report of investigation of railroad and joint bars- / Ralph E. Cramer, Russell S. Jensen.
Cramer, Ralph E.
Progress report of investigation of railroad and joint bars- / Ralph E. Cramer, Russell S. Jensen. - Urbana, Illinois : University of Illinois, Engineering Experiment Station - [32] p. - Reprint series; no. 55 .
Progress report of investigation of railroad and joint bars- / Ralph E. Cramer, Russell S. Jensen. - Urbana, Illinois : University of Illinois, Engineering Experiment Station - [32] p. - Reprint series; no. 55 .