Building for eternity: the history and technology of Roman concrete engi… by Hohlfelder, Robert L., Oleson, John P., (John Peter), Bottalico, L., Brandon, C.J, Jackson, M.D 0 Type: Book
Greek and roman mechanical water-lifting devices: the history of technology by Oleson, John P., (John Peter) fromPhoenix Supplementary Volumes Series 0 Type: Book