The Transfer and Control of Harmful Marine Organisims in Shipping Ballast Water: Behaviour of Marine Plankton and Ballast Water Exchange Trials on the MV "Iron Whyalla"
GEOFF RIGBY and GUSTAAF HALLEGRAEFF

Development of Water Blade to Remove Oil/Water Surface Layer by Moving Boat
ROBERT LATORRE

Measurement of Acoustical Scattering from Plumes of Sediment Suspended in Open Waters
F.T. CHRISTENSEN

Statistics of Steep Waves in Deep Water
DAG MYRHAUNG