OPTICAL METHODS FOR ABSOLUTE MEASUREMENT OF SOUND PRESSURE IN LIQUIDS Open PDF Document Details Document Type Technical Report Publication Date Mar 01, 1963 Accession Number AD0401529 Entities People E. A. Hiedemann Organizations Michigan State University Tags Communities of Interest Air Platforms Energy and Power Technologies Weapons Technologies DTIC Thesaurus Topics Absorption Absorption Coefficients Acoustic Propagation Acoustic Waves Acoustics Differential Equations Diffraction Doppler Effect Measurement Military Research Phase Velocity Physics Laboratories Refraction Secondary Waves Sound Waves Surface Waves Ultrasounds