1. Recent reviews of aspects of muon decay include R. Engfer, H. K. Walter: Ann. Rev. Nucl. Part. Sci. 36(1986)327.
2. S. P. Rosen: Los Alamos National Laboratory preprint LA-UR-88 – 4013, invited talk at the Workshop on new directions in neutrino physics at Fermilab, Fermilab, Sept. 14–16, 1988.
3. P. Herczeg: In: Rare Decay Symposium, eds. D. Bryman, J. Ng, T. Numao, J. Poutissou, p. 24. Singapore: World Scientific 1989
4. A. Sirlin: Phys. Rev. D22 (1980)970
5. F. Scheck: Leptons, Hadrons and Nuclei. Amsterdam: North-Holland 1983.