1. For an overview see for example Y.S. Touloukian, R.W. Powell, C.Y. Ho, M.C. Nicolaou: InThermal Properties of Matter, Vol. 10 (IFI Plenum, New York 1973) pp. 1a-50a
2. Ångström: Ann. Phys. Chem. (Pogg. Ann.)114, 513?530 (1861), ibid.118, 423?431 (1863), and ibid.123, 628?640 (1864) [English Transl. in Philos. Mag.25, 130?142 (1863) and26, 161?167 (1863)]
3. J.D. Forbes: Trans.Roy. Soc. (Edinburgh)23, 133?146 (1864) and ibid.24, 73?110 (1865)
4. W.J. Parker, R.J. Butler, C.P. Butler, G.L. Abbott: J. Appl. Phys.32, 1679?1684 (1961)
5. A. Rosencwaig:Photoacoustics and Photoacoustic Spectroscopy, Chemical Analysis (Wiley, New York 1980)