Williams, G. and Watts, D. C. (1970). „Non-Symmetrical Dielectric Relaxation Behavior Arising from a Simple Empirical Decay Function”. Transactions of the Faraday Society66, 80–85. o. DOI:10.1039/tf9706600080. .
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For a more recent and general discussion, see Berberan-Santos, M.N., Bodunov, E.N. and Valeur, B. (2005). „Mathematical functions for the analysis of luminescence decays with underlying distributions 1. Kohlrausch decay function (stretched exponential)”. Chemical Physics315, 171–182. o. DOI:10.1016/j.chemphys.2005.04.006. .
Alvarez, F., Alegría, A. and Colmenero, J. (1991). „Relationship between the time-domain Kohlrausch-Williams-Watts and frequency-domain Havriliak-Negami relaxation functions”. Physical Review B44, 7306–7312. o. DOI:10.1103/PhysRevB.44.7306.
Dobrovolskis, A., Alvarellos, J. and Lissauer, J. (2007). „Lifetimes of small bodies in planetocentric (or heliocentric) orbits”. Icarus188, 481–505. o. DOI:10.1016/j.icarus.2006.11.024.
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