Title
Analysis and design of planar and non-planar wings for induced drag minimization [microform] : annual progress report, NASA grant NAG-1-1198 / K. Mortara, Dennis M. Straussfogel, and Mark D. Maughmer.
Published
University Park, PA : Dept. of Aerospace Engineering, Pennsylvania State University ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1991]