Paul S. Bell, Peter D. Thorne; Measurements of sea bed ripple evolution in an estuarine environment using a high resolution acoustic sand ripple profiling system, Proceedings of MTS/IEEE OCEANS'97 Conference, pp. 339 - 343, September 1997.
P. S. Bell; Routine X-band monitoring of nearshore wave climate, Proceedings of MTS/IEEE OCEANS'95 Conference, pp. 520 - 525, September 1995.