{"id":"001048293","type":"book","title":"The castle of Viljandi (Fellin), Estonia: The role of its location on its construction (13th-16th century)","publisher":"Archeologický Ustav AV ČR Praha","publisher-place":"Praha","pages":"127-136","container-title":"Burg und ihr Bauplatz","author":[{"family":"Haak","given":"Arvi"}],"issued":{"raw":"2006"}}