Physical Acoustics

Contains research objectives and reports on two research projects.U. S. Navy - Office of Naval Research (Contract N00014-67-A-0204-0019)Joint Services Electronics Programs (U. S. Army, U. S. Navy, and U. S. Air Force) under Contract DAAB07-71-C-030

Physical Acoustics

Contains research objectives and summary of research.U. S. Navy - Office of Naval Research (Contract N00014-67-A-0204-0019

Physical Acoustics

Contains research objectives.U.S. Navy (Office of Naval Research) under Contract N00014-67-A-0204-001

Physical Acoustics

Contains reports on two research projects.U. S. Navy (Office of Naval Research) under Contract N00014-67-A-0204-001

Physical Acoustics

Contains research objectives and reports on four research projects.U.S. Navy (Office of Naval Research) under Contract Nonr-1841(42)U.S. Air Force (Air Force Cambridge Research Center, Air Research and Development Command) under Contract AF 19(604)-205

Physical Acoustics

Contains reports on two research projects.U. S. Navy Office of Naval Research (Contract N00014-67-A-0204-0019

Physical Acoustics

Contains research objectives and reports on one research project.U. S. Navy (Office of Naval Research) under Contract Nonr-1841-(42)Joint Services Electronics Programs (U.S. Army, U.S. Navy and U.S. Air Force) under Contract DA 36-039-AMC-03200(E

Physical Acoustics

Contains reports on two research projects.U. S. Navy - Office of Naval Research (Contract NO0014-67-A-0204-0019

Physical Acoustics

Contains research objectives and summary of research on two research projects.U. S. Navy - Office of Naval Research (Contract N00014-67-A-0204-0019

Physical Acoustics

Contains research objectives and reports on one research project.U. S. Navy (Office of Naval Research) under Contract Nonr-1841(42