Th I References

(46.3): P. Schuurmans, Thesis, Amsterdam, 1946.

(59.2): R. Zalubas, J. Res. nat. Bur. Stand. A, USA, 1959, 63, 275-8.

(60.6): R.E. Trees, Physica, Netherl., 1960, 26, 353-60.

(67.5): E.B.M. Steers, Spectrochim. Acta B, G.B., 1967, 23, 135-66.

(68.1): R. Zalubas, J. opt. Soc. Am., 1968, 58, 1195-9.

(70.10): A. Giacchetti and J. Blaise, 2nd Conf. Europ. Group Atomic Spectrosc., Hannover, Dtsch., 1970, 57.

(71.1): L. Brewer, J. opt. Soc. Am., 1971, 61, 1101-11.

(71.7): P. Bernage, R. Houdart and P. Niay, Spectrochim. Acta B, G.B., 1971, 26, 261-70.

(74.8): A. Giacchetti, J. Blaise, C. H. Corliss and R. Zalubas, J. Res. nat. Bur. Stand. A, USA, 1974, 78, 247-81.

(76.8): R. Zalubas, J. Res. nat. Bur. Stand. A, USA, 1976, 80, 221-358.

(83.2): R. Engleman, Jr. and B.A. Palmer, J. opt. Soc. Am., 1983, 73, 694-701.

(83.5): J. Blaise, J.F. Wyart, R. Engleman, Jr. and B.A. Palmer, 15th Conf. Europ. Group Atomic Spectrosc., Madrid, Spain, july 5-8 1983, Europhys. Conf. Abstr., 1983, 7c, Abstract n° 101.

(83.9): B.A. Palmer and R. Engleman, Jr., 1983, Report L.A. - 9615.

(88.5): J. Blaise, J.F. Wyart, R. Engleman, Jr. and B.A. Palmer, J. opt. Soc. Am. B, 1988, 5, 2087-92.

(unp.2): J. Blaise.

(unp.18): R. Engleman, Jr.