1. Überall,H.: Proc. Williamsburg Conf. on Intermed. En. Phys., College of William and Mary, Williamsburg, Va., Feb. 10–12, p. 327, 1966.-See also Überall,H.: Suppl. Nuovo Ciment. 4, 781 (1966).
2. Eramzhian, R.A.: Proc. Conf. on Electron Capture, Debrecen, Hungary, July 15–18, p. 269, 1968.
3. Überall,H.: Acta Phys. Austr. 30, 89 (1969).
4. Überall,H.: In: Devons,S. (Ed.): High energy physics and nuclear structure, p. 48. New York: Plenum Press, 1970.
5. Überall, H.: Rep. No. 70-035, Center for Theor. Phys., Univ. of Maryland, Oct. 1970, and Proceed. NATO Adv. Inst. Electron Scatt. Nucl. Struc. (Santa Margherita di Pula, Cagliari, Italy, 1970), Bosco,B. (Ed.), Gordon and Breach, 1974 (to be published).