1. F. Bartholin:Section efficace d'interaction des antiprotons de moment 3 GeV/cavec les noyaux complexes, to be published inJourn. Phys.
2. B. Jongejans:Nuovo Cimento,27, 321 (1963); andThesis (Amsterdam, 1962).
3. D. J. Holthuizen:Thesis (Amsterdam, 1964); and private communication.
4. S. Fernbach, R. Serber andT. B. Taylor:Phys. Rev.,75, 1352 (1949).
5. R. J. Glauber:Lectures in Theoretical Physics (New York, 1959), p. 315.