{"id":"000293844","type":"book","title":"Harvesting machines, Palladius and technology in the later Roman Empire","pages":"39-45","container-title":"\"De rebus bellicis\", 1. Aspects of the \"De rebus bellicis\". Papers presented to Professor E.A. Thompson. 2. \"De rebus bellicis\". The text","author":[{"family":"White","given":"K.D"}]}