{"id":"001249280","type":"book","title":"Rustici, hospites, duces. K problému svobodných rolniku v Přemyslovských zemich 11. a 12. stoleti","pages":"137-163","container-title":"Časopis Národního Muzea, Rada Historická, 171 3/4 (2002","author":[{"family":"Petráček","given":"Tomáš"}],"issued":{"raw":"2002"}}