{"id":"001290370","type":"book","title":"Příspěvek k raně středověkému opevnění Prahy. (A contribution to the investigation of the early medieval fortification of Prague)","pages":"651-670","container-title":"Archeologie ve Středních Čechách, 12,2 (2008","author":[{"family":"Havrda","given":"Jan"}],"issued":{"raw":"2008"}}