1. Ashton, G. D. 1988.Developments in Hydraulic Engineering, Edited by: Novak, P. 107–138. London: Elsevier Applied Science.
2. Sackinger, W. M., Nordlund, O. P. and Shoemaker, H. D. 1986.Proceedings of POLARTECH '86, International Offshore and Navigation Conference and Exhibition, Vol. 1, 521–527. Finland: VTT Helsinki.
3. Oksanen, P. 1986.Proceedings of POLARTECH '86, International Offshore and Navigation Conference and Exhibition, Vol. 2, 628–640. Finland: VTT Helsinki.
4. Studies of ice adhesion