Zhao, Jianhu, John E. Hughes Clarke, Steven Brucker, and Garret Duffy. “On the Fly GPS Tide Measurement Along the Saint John River”. The International Hydrographic Review 5, no. 3 (December 12, 2004). Accessed April 20, 2024. https://journals.lib.unb.ca/index.php/ihr/article/view/20678.