'Gauge theories of the forces between
elementary particles'. Scientific American 242 6,(1980)
104-138.
Reprinted in: Particle Physics in the Cosmos.
and reprinted in: Gauge Invariance. Eds. T.P. Cheng and Ling-Fong Li.
Publ. by: American Association of Physics Teachers,
Translated into Polish: Postepy Fizyki 34 (1983) 19-51.