Footnotes
L. Castell: inLectures in Theoretical Physics, edited byA. O. Barut andW. E. Brittin, Vol.13, (Boulder, Colo., 1971), p. 281.
F. Chan andH. F. Jones:Phys. Rev. D,10, 1321 (1974).
L. Castell:Phys. Rev. D,2, 1161 (1970).
L. Castell:Lett. Nuovo Cimento,6, 115 (1973), and references quoted there.
S. J. Brodsky andG. R. Farrar:Phys. Rev. Lett.,31, 1153 (1973); see alsoP. V. Lombshoff:Proceedings of the XVII International Conference on High-Energy Physics, edited byJ. R. Smith (London, 1974), p. v-57.
L. Castel andK. Ringhofer: inLectures in Theoretical Physics, edited byA. O. Barut andW. E. Brittin, Vol.13 Boulder, Colo., 1971), p. 269.
L. Castell:Nucl. Phys.,13 B, 231 (1969);14 B, 474 (1969).
L. Castell:Phys. Rev. D,3, 2530 (1971).
B. Schroer andJ. A. Swieca:Phys. Rev. D,10, 480 (1974).
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Castell, L. A new superselection rule?. Lett. Nuovo Cimento 12, 410–412 (1975). https://doi.org/10.1007/BF02782228
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DOI: https://doi.org/10.1007/BF02782228