Spectroscopy of and - and -Electron Continua and -Electron Pickup in Decay
H. J. Fischbeck and M. S. Freedman
Phys. Rev. Lett. 34, 173 (1975) - Published 27 January, 1975
Observations of Positronium Lyman- Radiation
K. F. Canter, A. P. Mills, Jr., and S. Berko
Phys. Rev. Lett. 34, 177 (1975) - Published 27 January, 1975