%0 conference paper,conference lecture %@ %A dos Santos, J. F.,Manzenrieder, H.,Reinsch, G.,Szelagowski, P.,Schafstall, H.-G. %D 1991 %J Proceedings of the 10th International Conference on Offshore Mechanics and Artic Engineering (OMAE 1991) %N %P 189-196 %T Considerations on arc observation systems for hyperbaric welding %U %X