Peter R. Paluzzi, William R. Normark, Gordon R. Hess, Harold D. Hess, Michael J. Cruickshank;
Computer Image Processing in Marine Resource Exploration, Proceedings of MTS/IEEE OCEANS'76 Conference,
pp. 104 - 113, September 1976.
D. E. Boegeman, G. J. Miller, W. R. Normark;
Precise positioning for near-bottom equipment using a relay transponder, OCEANS'71 --- IEEE International Conference on Engineering in the Ocean Environment,
p. 219, September 1971.