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Helga Gurtler
title
ISBN-13
(ISBN-10)
year of publication
Jak rozwiazywac konflikty w rodzinie
978-83-2OO-28O8-9
(83-2OO-28O8-6)
2003
H.G.
·
Helga Gridling
·
Helga Gürtler
Helga Gutschlich