1.
Group and Ring Theoretic Properties of Polycyclic Groups
by Springer, Wehrfritz, B. A. F.
ISBN: 9781447125303
List Price: $109.00
2.
3.
Finite Groups: A Second Course on Group Theory (Series in Algebra)
by B. A. F. Wehrfritz
ISBN: 9789810238742
List Price: $43.00
5.
Group and Ring Theoretic Properties of Polycyclic Groups
by Wehrfritz, B. A. F.
ISBN: 9781848829428
List Price: $24.99