1. For an early review, with a voluminous listing of the primary sources, see: M.A.B. Bég and A. Sirlin, Annu. Rev. Nucl. Science 24, 379 (1974). Original contributions in this paper include a proposal to opt for the dynamical alternative to elementary Higgs.
2. M.A.B. Bég and A. Sirlin, Phys. Reps. 88, 1 (1982). This continuation of ref. 1 contains, inter alia, an extensive discussion of the hypercolor/technicolor scheme introduced by S. Weinberg [Phys. Rev. D13, 974 (1976)
3. L. Susskind [Phys. Rev. D20, 2619 (1979)];
4. For a dedicated review of technicolor, see: E. Farhi and L. Susskind, Phys. Reps. 74, 277 (1981).
5. Cf. H Georgi, E.E. Jenkins and E.H. Simmons, Phys. Rev. Lett. 62, 2789 (1989).