1. Acoustical Reminiscences: the Rayleigh Lecture 1975;Parkin,1978
2. The horizontal propagation of sound from a jet engine close to the ground at Radlett;Parkin;J. Sound Vib.,1965
3. The horizontal propagation of sound from a jet engine close to the ground at Hatfield;Parkin;J. Sound Vib.,1965
4. Sound propagation in the atmosphere: a historical review;Delany,1978
5. Über die Schallfeldverzerrungen in der Nähe von absorbierenden Flachen und ihre Bedeutung für die Raumakustik;von Bekesy;Z. Tech. Phys.,1933