- Chiu, Chao-Lin, and Said, Chairil A. Abidin
"Maximum and Mean Velocities and Entropy in Open-Channel Flow," Journal
of Hydraulic Engineering 121, 26.
- Oltman, Richard N., June 1997, USGS WRD Sacramento, private
- Smith, L.H. , "PUBLICATIONS - Publishing data collected in
tidal areas," USGS Memorandum.