1. G. R. Bishop, C. Betourné andD. B. Isabelle:Nucl. Phys.,54, 97 (1964).
2. P. Bounin andG. R. Bishop:Journ. Phys. Radium,22, 555 (1961).
3. J. Berthot, P. Y. Bertin, J. P. Girardeau-Montaut andD. B. Isabelle:International Conference on Properties of Nuclear States (Montreal, 1969), p. 138.
4. J. Berthot, P. Y. Bertin andD. B. Isabelle:Suppl. Journ. Phys.,31, C2–106 (1970).
5. J. Berthot andD. B. Isabelle:Supp. Journ. Phys.,32, C55–290 (1971).