1. Sound absorption by indigenous wedge-shaped structures;Pancholy;J. Acoust. Soc. India,1977
2. The design and construction of anechoic sound chambers;Beranek;J. Acoust. Soc. Amer.,1946
3. A new large anechoic room for sound waves and short electromagnetic waves;Meyer;Akust. Beih.,1953
4. An anechoic chamber with sound absorbers composed of staple fibreglass wedges;Dombrovskii;Soviet Physics—Acoustics,1963
5. Acoustic measurement rooms of CNET at Lannion;Lorand;Rev. d'Acoust.,1969