Proceedings of the Sixth (1987) International Offshore Mechanics and Arctic Engineering Symposium., Location: Houston, TX, USA, Sponsors: ASME, Offshore Mechanics & Arctic Engineering Div, New York,;Soc of Naval Architects of Japan, Jpn;Inst of Mechanical Engineers, London, Engl;London Cent for Marine Technology, London, Engl;Norwegian Soc of Chartered Engineers, Oslo, Norw;et al