1. Bamford, H. A. 2013. Final programmatic environmental assessment for the Office of Coast Survey hydrographic survey projects. Program planning and integration, National Ocean Service, NOAA, U.S. Dept. of Commerce, Silver Spring. https://repository.library.noaa.gov/view/noaa/2679.
2. Cheng, K. 2005. Analysis of water level measurements using GPS. PhD diss. The Ohio State University, Ohio. https://etd.ohiolink.edu/!etd.send_file?accession=osu1127151397&disposition=inline.
3. Choi, K. 2007. Improvements in GPS Precision: 10 Hz to One Day. PhD diss. University of Colorado.
4. Codiga, D. L. 2011. Unified tidal analysis and prediction using the UTide Matlab functions, 59. Narragansett, RI: Graduate School of Oceanography, University of Rhode Island.