1. Concert hall acoustic;Ando,1985
2. Muller, H.A. Room acoustical criteria and their meaning In: Proceeding of the International Conference Acoustics and Recovery of Spaces for Music, 1993, Ferrara, pp. 51–60
3. Uncertainties of measurements in room acoustics;Vorlaender;Acustica,1995
4. ISO 3382. Acoustics — measurement of the reverberation time of rooms with reference to other acoustical parameters. International Organisation for Standardisation, 1997
5. CIARM (International Centre of Acoustics and Music Research). Guidelines for acoustical measurements inside historical opera houses: procedures and validation, Ferrara, Italy, November 1999. http://acustica.ing.unife.it/ciarm/news.htm.