4) C. J. Garrison : Hydrodynamics of Large Objects in the Sea Part I-Hydrodynamic Analysis, J. of Hydronautics, vol. 8, No. 1 (1974/ 6) pp. 5-12.
5) A. E. Løken and O. A. Olsen Diffraction Theory and Statistical Methods to Predict Wave Induced Motions and Loads for Large Structures, OTC 2502 (1976).