1. W.A. Pliskin, D.R. Kerr, and J.A. Perri,Physics of Thin Films, Vol. 4, 1967, p. 257.
2. W.M. Feist, S.R. Steele, and D.W. Readey,Physics of Thin Films, Vol. 5, 1969, p. 237.
3. Thin Film Dielectrics, edited by F. Vratny, The Elec- trochemical Society, New York, 1969.
4. W.A. Pliskin,Physical Measurement and Analysis of Thin Films (E.M. Murt and W.G. Guldner, editors) Plenum Press, 1969, p. 168
5. also inSemiconductor Silicon, by H.R. Huff and R.R. Burgess, editors, The Electrochem- ical Society, 1973, pp. 506-529.