Peterka, J. A., authorCermak, Jack E., authorFluid Mechanics and Wind Engineering Program, Fluid Dynamics and Diffusion Laboratory, College of Engineering, Colorado State University, publisher2016-09-072016-09-071981-02http://hdl.handle.net/10217/177225CER80-81JAP-JEC42.Prepared for C. F. Murphy Associates.Includes bibliographical references (page 24).February 1981.reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Chicago (Ill.) -- Buildings, structures, etc.Wind tunnel modelsBuildings -- Illinois -- Chicago -- AerodynamicsText