William J. Shaw, Albert J. Williams III, John H. Trowbridge; Measurement of turbulent sound speed fluctuations with an acoustic travel-time meter, Proceedings of MTS/IEEE OCEANS'96 Conference, pp. 105 - 110, September 1996.

Fredrik T. Thwaites, Albert J. Williams III, Eugene A. Terray, John H. Trowbridge; A family of acoustic vorticity meters to measure ocean boundary layer shear, Proceedings of the IEEE Fifth Working Conference on Current Measurement, vol. 5, pp. 193 - 198, February 1995.

Albert J. Williams III, Eugene A. Terray, Fredrik T. Thwaites, John H. Trowbridge; Acoustic vorticity meter for benthic boundary layer flow measurements, Proceedings of IEEE OCEANS'94 Conference, pp. 250 - 253, September 1994.

Y. Agrawal, J. H. Trowbridge, H. Pottsmith, J. Oltman-Shay; Velocity, concentration and flux of sediments in a coastal bottom boundary layer with a laser Doppler velocimeter, Proceedings of IEEE OCEANS'93 Conference, pp. 137 - 142, October 1993.