John Downing, B. G. DeRoos, Kim McCoy;
An Autonomous Expendable Conductivity, Temperature, Depth Profiler For Ocean Data Collection, Proceedings of IEEE OCEANS'92 Conference,
pp. 672 - 677, October 1992.
John P. Downing;
An Optical Instrument For Monitoring Suspended Particulates In Ocean And Laboratory, Proceedings of MTS/IEEE OCEANS'83 Conference,
pp. 199 - 202, August 1983.