Edward O. Belcher; Thin, acoustic lenses applied in 64-beam, 750-kHz diver-held sonar, Proceedings of MTS/IEEE OCEANS'97 Conference, pp. 451 - 456, September 1997.

Edward O. Belcher, Dana C. Lynn; An application of tapered, PZT composite lenses in an acoustic imaging sonar with 1-cm resolution, Proceedings of MTS/IEEE OCEANS'97 Conference, pp. 1043 - 1047, September 1997.

Edward O. Belcher; Application of thin, acoustic lenses in a 32-beam, dual-frequency, diver-held sonar, Proceedings of MTS/IEEE OCEANS'96 Conference, pp. 767 - 772, September 1996.

Edward O. Belcher; A multibeam, diver-held sonar using a liquid-filled, spherical acoustic lens, Proceedings of IEEE OCEANS'93 Conference, pp. 398 - 402, October 1993.

Bruce Johnson, Debra Scroggins, Behzad Kamgar-Parsi, Donald Folds, Edward Belcher; 3-D acoustic imaging with a thin lens, Proceedings of IEEE OCEANS'93 Conference, pp. 444 - 449, October 1993.

James W. Waite, Edward O. Belcher; Sonar detection of riverine fish using the pulse pair convariance doppler frequency estimator, Proceedings of MTS/IEEE OCEANS'85 Conference, pp. 700 - 706, November 1985.

M. A. Richards, E. O. Belcher; Comparative Evaluation Of A New Method For Helium Speech Unscrambling, Proceedings of MTS/IEEE OCEANS'83 Conference, pp. 456 - 459, August 1983.