Hamilton, Mark F.Hixson, Elmer L.2011-07-262017-05-112011-07-262017-05-112003-08http://hdl.handle.net/2152/12543textelectronicengCopyright is held by the author. Presentation of this material on the Libraries' web site by University Libraries, The University of Texas at Austin was made possible under a limited license grant from the author who has retained all copyrights in the works.Acoustic imagingRestricted