About PRYDZ R A
About Lockheed Aeronautical Systems Co., California
About WIRT L S
About Lockheed Aeronautical Systems Co., California
About KUNTZ H L
About Lockheed Aeronautical Systems Co., California
About POPE L D
About L.D. Pope and Assoc., Texas
About Journal of the Acoustical Society of America
About sound transmission loss
About Propagation of sound waves
About 同調
About Helmholtz共振器
About 多層
About 透過損失