1. 2004
2. The catchment scale spatiotemporal dynamics and fate of dissolved organic and inorganic matter in the River Conwy, North Wales.

   Evans, D. W. (Author), Williams, P. (Supervisor), Thomas, D. (Supervisor) & Bowers, D. (Supervisor), 2004

   Student thesis: Doctor of Philosophy

3. 2003
4. Hydrocarbon-degradation by bacteria from Antarctica

   Stallwood, B. (Author), Williams, P. (Supervisor), Jun 2003

   Student thesis: Doctor of Philosophy

5. 2000
6. Variations of alkalinity in the Northeast Atlantic

   Muller, K. (Author), Williams, P. (Supervisor), Jan 2000

   Student thesis: Doctor of Philosophy

7. 1999
8. Methane in two temperate coastal marine environments

   Heckers, A. H. A. (Author), Williams, P. (Supervisor), 1999

   Student thesis: Doctor of Philosophy