Hurst, Harold Edwin and David Alexander Fraser Watt. The Similarity of Motion of Water Through Sluices and Through Scale Models: Experiments with Models of Sluices of the Assuan Dam, Westminister, London: The Institution of Civil Engineers, 1923, Box: 16, Item: FM-64. Hans A. Einstein Flow collection, MS-89/4. Water Resources Collections & Archives. https://public.ucrlib.aspace.cdlib.org/repositories/5/archival_objects/582674 Accessed April 21, 2025.