{"id":"000321172","type":"book","title":"Postep techniczny a problem siłi roboczej w rolnictwie starożytnej Italii = Le progrès technique et le problème de la main-d'oeuvre dans l'agriculture de l'Italie antique","publisher":"[s.n.]","publisher-place":"Wrocław","author":[{"family":"Kolendo","given":"Jerzy."}],"issued":{"raw":"1968"}}