1. Woods Hole Oceanographic Institution, Floats & Drifters. Available online at https://www.whoi.edu/main/instruments/floats-drifters, cited 2016.
2. Autonomous velocity and density profiler: EM-APEX;Sanford,2005
3. Seaglider: A long-range autonomous underwater vehicle for oceanographic research;Eriksen;IEEE J. Ocean. Eng.,2001
4. YSI Systems, IVER Autonomous Underwater Vehicle. Available online at http://www.iver-auv.com, cited 2016.
5. OceanServer Technology, Inc., Ecomapper AUV. Available online at http://www.ysisystems.com/productsdetail.php?EcoMapper-Autonomous-Underwater-Vehicle-9, cited 2016.