1. Proc. Int. Symp.on Polarization Phenomena of Nucleons Basel, (Eds. P. Huber and K. P. Meyer, Birkhäuser Verlag, Basel, 1961 ).
2. Proc. 2nd Int. Symp. on Polarization Phenomena of Nucleons Karlsruhe, (Eds. P. Huber and H. Schopper, Birkhäuser Verlag, Basel, 1966).
3. R. Fleischmann, Ref. 2, p. 21.
4. Proc. 3rd Int. Symp. on Polarization Phenomena in Nuclear Reactions Madison, (Eds. H. H. Barschall and W. Haeberli, Univ. of Wisconsin Press, Madison, Wisc., 1971).
5. H. F. Glavish, Ref. 4, p. 267. (Also references therein.)