LordP., and TempletonD., Detailing for acoustics, 3rd edition, Taylor & Francis, 1995.
2.
HowardD.M., and AngusJ.A.S., Acoustics and psychoacoustics, 3rd edition, Focal Press, 2006.
3.
SchroederM., “Die statistischen Parameter der Frequenzkurve von großen Raumen”, Acustica4, 594–600 (1954). English translation: SchroederM. R., “Statistical Parameters of the Frequency Response Curves of Large Rooms”, J. Audio Eng. Soc.35, 299–306 (1987). Note: In the original (1954) paper Schroeder proposed a more “conservative” factor of 4000 (instead of 2000) in Eq.(1), corresponding to a tenfold modal overlap.