1. Acoustical properties of the National Bureau of Standards anechoic chamber;Koidan;Journal of the Acoustical Society of America,1978
2. The high frequency performance of wedge lined free field rooms;Delany;Journal of Sound and Vibration,1977
3. New rooms for acoustic measurements at the Danish Technical University;Ingerslev;Acustica,1967
4. Qualification tests in a semi-anechoic room;Ballagh;Acustica,1984
5. Messung des mittleren Reflexionsfaktors der Wandauskleidung in einem reflexionsarmen Raum;Diestel;Acustica,1968