1. Confinement and the Critical Dimensionality of Space-Time
2. also: M. Creutz, 1981 Erice Lectures, preprint BNL 29840, and references therein.
3. D. Scharre, talk 1981 Intern. Symp. on Lepton and photon interactions (Bonn).
4. Proc. 1979 Cargèse Summer Institute.