Space Shuttle Missions of the 80's [[Texte imprimé]] / Edited by W. J. Bursnall ; G. W. Morgenthaler ; G. E. Simonson Proceedings of American Astronautical. Society Twenty First Annual Meeting Co-Sponsored by Rocky Mountain Section of the American Institute of Aeronautics and Astronautics, the Denver Section of the Institute of Electrical and Electronic. Engineers, and the Rocky Mountain Chapter of Operations Research Society of America, August 26-28, 1976, Denver, Colorado