Encyclopaedia of Mathematical Sciences Algebra Pt.7 - Combinatorial group theory; applications to geometry Ed. by A. N. Parshin and I. R. Shafarevich - Berlin Springer-Verlag 1993 - 240p. Index. - Encyclopaedia of Mathematical Sciences V.58 . "Purchased under NBHM grant for the year 1996-97" Dewey Class. No.: 510.3 / En56.58