sentences:  In a second meeting on 29 June in Meißen ("Mihsin"), according to the document, the "aforementioned dukes" concluded a mutual peace agreement.Roderich Schmidt (2009) assumes that the peace referenced in the document was necessary, among other reasons, because of fights between Zemuzil and Casimir, and that Zemuzil aided Miecław of Mazovia who had fought against Casimir, previously expelled from Poland but restored with Henry's aid, and was defeated.According to Edward Rymar (2005) the most likely nature of the dispute was the non payment of tribute by the Pomeranian duke to Casimir.