Die Beile in Polen - Kusnierz, Jerzy; Szpunar, A. (Andrzej) (C.H. Beck, 1987)
Translated from the Polish.
Vol. 1 originally presented as A. Szpunar's thesis (M.A.)--Jagiellonen-Universität Kraków; volume 3 originally presented as J. Kuśnierz's thesis (M.A.)--Jagiellonen-Universität Kraków.