TY - BOOK AU - Wehrfriz B A F TI - Group and ring theoretic properties of polycyclic groups T2 - Algebra and applications, 10 SN - 9781848829404 (hbd) U1 - B27, P9 PY - 2009/// CY - London PB - Springer KW - Group theory KW - Mathematics N1 - Bibliography 121-126p.; Index 127-128p ER -