1. talk 23rd Intern. Conf. on High energy physics;Barger,1986
2. T. Sloan, CERN preprint CERN-EP/86-111
3. presented 12th Intern. Conf. on Neutrino physics and astrophysics;Bodek,1986
4. Lectures presented 1985 Los Alamos School on Quark nuclear physics;Jaffe,1985