1. Muonium
2. D.G. Fleming, D.M. Garner,L.C. Vaz, D.C. Walker, J.H. Brewer and K.M. Crowe, in:Positronium and muonium chemistry, Advances in Chemistry Series, ed. H.J. Ache (American Chemical Society), to be published.
3. P.W. Percival, E. Roduner and B. Fischer, in: Positronium and muonium chemistry, Advances in Chemistry Series, ed. H.J. Ache (Americal Chemical Society), to be published