Ruiz, Simón, Jordi Font, Gwyn Griffiths, and Arturo Castellón. “Estimation of Heading Gyrocompass Error Using a GPS 3DF System: Impact on ADCP Measurements”. Scientia Marina 66, no. 4 (December 30, 2002): 347–354. Accessed April 25, 2024. https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/594.