1. M.Sparks: J. Appl. Phys.42, 5029 (1971).-F.A.Horrigan, T.F.Deutsch: Raytheon Research Division Reports on Contract No. DAAHO1-70-C-1251 (1970, unpublished)
2. See, for example, J.P.Gordon, R.C.C.Leite, R.S.Moore, S.P.S.Porto, J.R.Whinnery: J. Appl. Phys.36, 3 (1965).-P.K.Tien, J.P.Gordon, J.R.Whinnery: Proc. IEEE53, 129 (1965).-S.A.Akhmanov, D.P.Krindach, A.P.Sukhorukov, R.V.Khoklov: JETP Letters6, 38 (1967)
3. A.Hordvik: Conference on High Power Infrared Laser Window Materials, ed. by C.S.Sahagian, C.A.Pitha: AFCRL-71-0592, p. 389 (1971).-B.Bendow, A.Hordvik, H.Lipson, L.Skolnik: Proc. of the Fifth Dept. of Defense Conference on Laser Technology, Monterey, Calif. (1971), to be published
4. J.R.Jasperse, P.D.Gianino: J. Appl. Phys.43, 1686 (1972).-P.D.Gianino, J.R.Jasperse: AFCRL-72-0202 (1972)
5. J.Marburger, M.Flannery: Conference on High Power Infrared Laser Window Materials, ed. by C.S.Sahagian, C.A.Pitha: AFCRL-71-0592, p. 11 (1971).-D.A.Holmes, J.E.Korka, P.V.Avizonis: Appl. Opt.11, 565 (1972)