Sound intensity measurement
Acoustic measurement devices

RAYLEIGH (J.W.S.) The theory of sound. Sections 80 and 81, volume 1, Dover, New York (1945). CASIMIR (H.B.G.) On Onsager's principle of microscopic reversibility. Revs. Mod. Phys. vol. 17, p. 343-350 (1945). CASIMIR (H.B.G.) Reciprocity theorems and irreversible processes. Proc. IEEE, vol. 51, p. 1570-1573 (1963). TARNOW (V.) The lower limit of detectable sound pressures. J. of the Acoust. Soc. of America, 82, 379-381 (1987). FAHY (F.J.) Sound Intensity. (2 ^nd ed.) E & FN Spon, London (1995). JACOBSEN (F.) de BREE (H.-E.) A comparison of two different sound...