Wehrfritz, Bertram A. F. Group and ring theoretic properties of polycyclic groups / B.A.F. Wehrfritz. - London ; New York : Springer, c2009. - vii,128 p. : ill. ; - Algebra and applications ; v. 10 . ISBN: 9781848829404 (hbk.) Subjects--Topical Terms: Polycyclic groups.Solvable groups.Graph theory.Rings (Algebra) Universal Decimal Class. No.: 512.542.4 / WEH