TY - BOOK AU - Dicks,Warren,b.1947 TI - Groups, trees, and projective modules SN - 0387099743 PY - 1980/// CY - Berlin PB - Springer-Verlag KW - Associative rings KW - Groups, theory of KW - Trees (Graph theory) KW - Projective modules (Algebra) N1 - Includes indexes; Bibliography: p.121-123 ER -