Matsuba, Yoshinao, Takenori Shimozono, and Yoshimitsu Tajima. “OBSERVATION OF NEARSHORE WAVE-WAVE INTERACTION USING UAV”. Coastal Engineering Proceedings 1, no. 36 (December 30, 2018): waves.12. Accessed July 6, 2020. https://icce-ojs-tamu.tdl.org/icce/index.php/icce/article/view/8651.