Holgate et al., 2013; PSMSL, 2016

Permanent Service for Mean Sea Level (PSMSL), 2016, "Tide Gauge Data", Retrieved 12 Dec 2016 from http://www.psmsl.org/data/obtaining/.

Simon J. Holgate, Andrew Matthews, Philip L. Woodworth, Lesley J. Rickards, Mark E. Tamisiea, Elizabeth Bradshaw, Peter R. Foden, Kathleen M. Gordon, Svetlana Jevrejeva, and Jeff Pugh (2013), New Data Systems and Products at the Permanent Service for Mean Sea Level. Journal of Coastal Research, Volume 29, Issue 3: pp. 493—504. doi:10.2112/JCOASTRES-D-12-00175.1.