] , “Drag forces and flow-induced vibrations of a long vertical tow cable - Part I: Steady-state towing conditions”, Journal of Offshore Mechanics and Arctic Engineering, vol. 113, pp. 117–127, 1991.
, “A full-scale experiment and theoretical study of the dynamics of underwater vehicles employing very long tethers”, in BOSS '88 : proceedings of the International Conference on Behavior of Offshore Structures, Trondheim, Norway, June 1988, vol. 2, Trondheim, Norway: Tapir Publishers, 1988, pp. 549–563.