1. VI. Reverberation equations for two adjacent rooms connected by an incompletely soundproof partition
2. Cremer L., and Müller H. A. (1982) Principles and Applications of Room Acoustics, vol. 1, trans. Schultz T. J., Applied Science Publishers, New York, pp. 261–283.
3. Kuttruff H. (2000) Room Acoustics, 4th Ed., Spon Press, New York, pp. 142–145.
4. Boyce W. E., and DiPrima R. C. (1997) Elementary Differential Equations and Boundary Value Problems, 6th Ed., John Wiley & Sons, New York, Chap. 7, pp. 335–413.
5. Statistical-acoustics models of energy decay in systems of coupled rooms and their relation to geometrical acoustics