V.F. Wilreker ... [and others] ; prepared for National Aeronautics and Space Administration, Lewis Research Center under contract DEN 3-354 for U.S. Department of Energy, Conservation and Renewable Energy, Wind Energy Technology Division under interagency agreement DE-AI01-76ET20320
V.F. Wilreker ... [and others] ; prepared for National Aeronautics and Space Administration, Lewis Research Center for U.S. Department of Energy, Conservation and Renewable Energy, Wind Energy Technology Division