{"id":"001033619","type":"book","title":"Kaitserüüde arendamise põhjustest 13","publisher":"Ajaloo Instituut","publisher-place":"Tallinn","pages":"227-248","container-title":"Linnusest ja linnast. Uurimusi Vilma Trummali auks. About hillfort and town. Studies in honour of Vilma Trummal","author":[{"family":"Mäesalu","given":"Ain"}],"issued":{"raw":"2004"}}