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- Sydney W. Falk
- James M. Lattimer
- et al.
- 1977
- Nature
- Philip Aisen
- Seymour H. Koenig
- et al.
- 1970
- Nature
- Roy J. Gritter
- Gerald D. Dupre
- et al.
- 1964
- Nature
- E.J. Weichel-Moore
- R.J. Potter
- 1963
- Nature
- Seymour Steven Brody
- S.B. Broyde
- 1963
- Nature