ISBN-13: 9780792319245 / Angielski / Twarda / 1992 / 284 str.
This volume presents the lectures given by distinguishyed contributors at the First German-Polish Max Born Symposium, held at Wojnowice in Poland in September, 1991. This is the first such symposium to continue the tradition of a German-Polish collaboration in theoretical physics in the form of biannual seminars organized between the Universities of Leipzig and Wroclaw since the early seventies.