{"id":"001170008","type":"book","title":"Założenie obronne w Czarnym Sadzie, stan. 1, gm. Koźmin, woj. kaliskie w świetle badań terenowych w 1987 roku. A defensive feature at Czarny Sad, site 1, Koźmin commune, Kalisz province, in the light of 1987 field works","publisher-place":"Łód","pages":"253-265","container-title":"Folia Archaeologica (Łódź), 16 (1992","author":[{"family":"Wojda","given":"Leszek"}],"issued":{"raw":"1992"}}