Application of linear array imaging techniques to the real-time inspection of airframe structures and substuctures : annual progress report, March 15, 1995 - October 31, 1995
St. Louis, Mo. : Washington University, Dept. of Physics, Laboratory for Ultrasonics ; [Washington, DC :] : [National Aeronautics and Space Administration]; Springfield, Va. : National Technical Information Service, distributor, [1995]