Breakthrough and challenges: 20 years of the Polish-German treaty on good neighbourliness and friendly relations /
Institute of International Relations University of Warsaw ; edited by Witold M. Gr̤alski 
. - Warsaw : Elipsa,  2011 
. - 602 p.  tab.  24 cm. 
<br/>К.: Бібліогр. : c. 595-598, Index 
<br/><label>  ISBN: </label>978-83-7151-027-4