Cheng, Ralph T, Gartner, Jeffrey W, Mason, Robert R, Costa, John E, Plant, William J, Spicer, Kurt R, Haeni, F Peter, Melcher, Nick B, Keller, William C, and Hayes, Ken, 2004, Evaluating a Radar-Based, Non Contact Streamflow Measurement System in the San Joaquin River at Vernalis, California: United States Geological Survey, v. OFR - 2004.