C. H. Pilskaln, M. W. Silver, D. L. Davis, K. M. Murphy, B. Gritton, S. Lowder, L. Lewis; A Quantitative Study of Marine Aggregates in the Mid-water Column Using Specialized Rov Instrumentation, Proceedings of IEEE OCEANS'91 Conference, pp. 1175 - 1182, October 1991.