1 A.. Ben-Reuven, K.. Burnett, and J.. Cooper, in 1st ed. (Harwood Academic Publishers, 1984), p. 267.
1 A.. Ben-Reuven, in (Walter deGruyter \textbullet Berlin \textbullet New York, Berlin, Germany, 1981).
1 Y.. Rabin, M.R. Berman, and A.. Ben-Reuven, Journal of Physics B: Atomic and Molecular Physics 13, (1980).