1. Talk XIth Intern. Neutrino Conf.;Winstein,1984
2. Talk Workshop on the Future of medium energy in Europe;Buras,1984
3. Max Planck Institute preprint (Munich, 1984);
4. Talk Leipzig Intern. Conf. on High energy physics;Langacker,1984
5. Talk Leipzig Intern. Conf. on High energy physics;Sanda,1984