XIIIth International Colloquium on Group Theoretical Methods in Phys ics : College Park, Maryland, USA, 21-25 May 1984 / edited by W.W . Zachary. - Singapore : World Scientific, c1984. - xvi, 620 p. : ill. ; 23 cm. Includes bibliographical references. ISBN: 9971966875 9971966883 (pbk.) LCCN: 84-027073 Subjects--Topical Terms: Group theory-- Congresses.Mathematical physics. Dewey Class. No.: 530.1/5