RLE Progress Report, No. 109 (1973) http://hdl.handle.net/1721.1/56375 2013-05-20T12:30:22Z Physical Acoustics http://hdl.handle.net/1721.1/56392 Physical Acoustics Ingard, K. Uno; Singhal, V. K. Contains reports on two research projects. 1973-04-15T05:00:00Z Author Index http://hdl.handle.net/1721.1/56391 Author Index Zimmermann, Henry J.; Harvey, George G.; Mason, Samuel J. Contains an index of authors. 1973-04-15T05:00:00Z Applied Plasma Research http://hdl.handle.net/1721.1/56390 Applied Plasma Research Hirshman, Steven P.; Smullin, Louis D.; Ross, Arthur H. M. Contains reports on two research projects. 1973-04-15T05:00:00Z Cognitive Information Processing http://hdl.handle.net/1721.1/56389 Cognitive Information Processing Shillman, Robert J.; Blesser, Barry A.; Wacks, K. P.; Troxel, Donald E.; Tretiak, O. J. Contains reports on four research projects. 1973-04-15T05:00:00Z