HARPA : a versatile three-dimensional Hamiltonian ray-tracing program for acoustic waves in the atmosphere above irregular terrain /

Mode of access: Internet.

Measuring directional velocity in water waves with an acoustic flowmeter /

"April 1970."

Noise barrier attenuation: field experience. Final report.

Federal Highway Administration, Washington, D.C.

Calculation of wave attenuation due to friction and shoaling : an evaluation /

"October 1980."

Shock tube driver techniques and attenuation measurements,

"Contract AF 18(603)-10, Mechanics Division, Air Force Office of Scientific Research, ARDC, Washington."