About WALLACE P W
About Massachusetts Inst. Technology, MA, USA
About GARLAND C W
About Massachusetts Inst. Technology, MA, USA
About Review of Scientific Instruments
About phase detection
About methylamines
About Acoustical measurements and instrumentation
About Acoustical properties of solids in general
About 位相弁別
About 検出法
About 超音波音速
About 音波減衰