1. Muonium centers in GaAs and GaP
2. R.F. Kiefl, W. Odermatt, Hp. Baumeler, J. Felber, H. Keller, W. Kündig, P.F. Meier, B.D. Patterson, J.W. Schneider, K.W. Blazey, T.L. Estle and C. Schwab, to be published.
3. T. Estle, European Workshop on the Spectroscopy of Sub-Atomic Species in Non-Metallic Solids, Paris (September, 1985).