Groups--Korea 1983 proceedings of a Conference on Combinatorial Group Theory, held at Kyoungju, Korea, August, 26-31, 1983 / edited by A.C. Kim and B.H. Neumann. - Kim, A. C. (Ann Chi), 1938-; Neumann, B. H. (Bernhard Hermann), 1909- (Lecture notes in mathematics (Springer-Verlag) ;, 1984)