{"id":"001072980","type":"book","title":"No easy option: the Nile versus the Red Sea in ancient and medieval north-south navigation","publisher":"Journal of Roman Archaeology","publisher-place":"Portsmouth, Rhode Island","pages":"189-210","container-title":"Maritime technology in the ancient economy : Ship-design and navigation","author":[{"family":"Cooper","given":"John P."}],"issued":{"raw":"2011"}}