National Oceanic and Atmospheric Administration's NOAA, Glossary of Some Terms Related to Rip Currents, U.S. Department of Commerce, Office of Climate, Water, and Weather Services, Silver Spring, MD, USA 2012. http://www.srh.noaa.gov/ripcurrents/glossary.shtml , (ND/ Rip Currents - Amer) {835}
National Oceanic and Atmospheric Administration's NOAA, Glossary of Some Terms Related to Rip Currents, U.S. Department of Commerce, Office of Climate, Water, and Weather Services, Silver Spring, MD, USA 2012. http://www.srh.noaa.gov/ripcurrents/glossary.shtml , (ND/ Rip Currents - Amer) {835}