prepared by Program for Transfer Research and Impact Studies, Industrial Economics Division, Denver Research Institute, University of DenverNational Aeronautics and Space Administration1981
prepared for National Aeronautics and Space Administration ; prepared by Martin D. Robbins, John A. Kelley, Linda Elliott, Industrial Economics Division, Denver Research Institute, University of DenverNational Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1972