- Woodworth, P.L. (2000) Monitoring and predicting long term sea level
changes. Periodicum Biologorum Vol. 102, Supplement 1, 665-672.
- Spencer, N.E. and Woodworth, P.L. (1993) Data holdings of the Permanent
Service for Mean Sea Level (November 1993). Bidston, Birkenhead: Permanent
Service for Mean Sea Level. 81pp.
- Woodworth, P.L. (1991) The Permanent Service for Mean Sea Level and the
Global Sea Level Observing System. Journal of Coastal Research, 7, 699-710.
PSMSL "Ancillary Time Series" report from 1988.
- Early IAPSO Reports This page contains links
the earliest publications of the monthly and annual sea level data.