Literature

Holgate, S.J. et al., 2012. New Data Systems and Products at the Permanent Service for Mean Sea Level. Journal of Coastal Research, 29(3), pp.493 - 504. Available at: https://meridian.allenpress.com/jcr/article-abstract/29/3/493/144625/New-Data-Systems-and-Products-at-the-Permanent?redirectedFrom=fulltext.