Vreden, Werner. Curved continuous beams for highway bridges / Werner Vreden, translated from the German by John Scott. - New York : Frederick Ungar Pub. Co., [1969] - viii, 115 p. :ill. Translation of Die Berechnung des gekr�ummten Durchlauftr�agers. ISBN: 0804449759 Subjects--Topical Terms: Girders, Continuous.