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Free-field propagation of high intensity noise

Welz, Joseph P.
[State College, Penn.] : Noise Control Laboratory and Applied Research Laboratory, Pennsylvania State University, [1990] 1990

Methods for in-flight wing shape predictions of highly flexible unmanned aerial vehicles formulation

Ko, William L.
Edwards, Calif. : National Aeronautics and Space Administration, Dryden Flight Research Center, [2010] 2010

Remote sensing of Earth terrain period covered January 1, 1990- June 30, 1990

Yueh, H. A.
Cambridge, Mass. : Massachusetts Institute of Technology, Center for Electromagnetic Theory and Applications, Research Laboratory of Electronics ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1990] 1990