(63.4): A. Giacchetti, J. opt. Soc. Am., 1963, 53, 506-7.

(67.1): A. Giacchetti, J. opt. Soc. Am., 1967, 57, 728-33.

(70.9): A. Giacchetti and J. Blaise, 2nd Conf. Europ. Group Atomic Spectrosc., Hannover, Dtsch., 1970, 56.

(71.2): L. Brewer, J. opt. Soc. Am., 1971, 61, 1666-82.

(80.4): J. Blaise, J.F. Wyart, J.G. Conway and E.F. Worden, Physica Scripta, Sweden, 1980, 22, 224-30.

(85.5): J. Blaise and J.F. Wyart, 2nd Conf. ECAMP, Amsterdam, Netherl., 1985, ECA Series, Vol.9B, p.367.

(unp.5): J. Blaise and A. Giacchetti.