Squire, L.R. (2000) Natural variations in temperate symbiotic Anthozoa. PhD thesis, University of Wales, Bangor, 135 pp.
Luddington, L. and Bunker, F.St.P.D. (2003). A scoping study to identify the ‘strawberry’ sea squirt and ‘buff’ sea squirt found in Pembrokeshire sea caves, 2002.A report to CCW from Aquatic Survey and Monitoring Ltd.
Luddington, L. & Bunker, F.St.P.D (2007) Algal monitoring in the Skomer MNR and other sites around Wales. CCW Marine Monitoring Report and Skomer MNR Report, 30pp.
Luddington, L.R. (2008) Pilot study to develop a method to monitor recreational activities on the South St David's coast. A report to the Pembrokeshire Coast National Park Authority, 26pp (click here to view).