1. F. Ajzenberg-Selove andT. Lauritsen:Nucl. Phys.,11, 1 (1959).
2. R. H. Dalitz:The nuclear interactions of the hyperons, lectures delivered at the Summer School inTheor. Phys. (1961) at Bangalore. EFINS report 62-9.
3. N. Crayton, R. Levi-Setti, M. Raymund, O. Skjeggestad, D. Abeledo, R. G. Ammar, J. H. Roberts andF. N. Shipley:Rev. Mod. Phys.,34, 186 (1962).
4. Quoted byJ. Pniewski andM. Danysz in ref. (6).. See alsoS. J. St. Lorant andS. Lokanathan:Phys. Lett.,1, 223 (1962).
5. R. G. Ammar, L. Choy, W. Dunn, M. Holland, J. H. Roberts, E. N. Shipley, N. Crayton, D. H. Davis, R. Levi Setti, M. Raymund, O. Skjeggestad andG. Tomasini:Binding energies of heavy hypernuclei, submitted to the1962 International Conference on High-Energy Physics at CERN.