TY - BOOK AU - Gersten, S. M. TI - Combinatorial Group Theory and Topology SN - 0691084106 U1 - 512.22 GER PY - 1987/// CY - Princeton PB - : Princeton University Press KW - Combinatorial Group Theory and Topology KW - Combinatorial group theory KW - Topology -- Congresses KW - S M Gersten KW - John R Stallings KW - Elinor Donation ER -