TY - BOOK AU - Wilson, Wilbur M. AU - Kluge, Ralph W., coaut.Coombe, John V., coaut. TI - investigation of rigid frame bridges. part 2: laboratory te-sts of reinforced concrete rigid frame bridges / by Wilbur -M. Wilson, Ralph W. Kluge and John V. Coombe CY - Urbana, Illinois : University of Illinois, Engineering Experiment Station ER -