Ed Envia

NASA Open Rotor Noise Research  Ed Envia Nasa Technical Reports Server Paperback. Bibliogov, 2013-06-01 ISBN 9781289142056     NASA Open Rotor Noise Research  Ed Envia Nasa Technical Reports Server Paperback. Bibliogov, 2013-07-29 ISBN 9781289251727     Computational Aeroacoustics for Fan Noise Prediction  Ed Envia Nasa Technical Reports Server Paperback. Bibliogov, 2013-08-07 ISBN 9781287293026