Behaviour of the electric arc in the VAR process P. Chapelle, J. P. Bellot, A. Jardy, T. Czerwiec, X. Robbe, B. Champin and D. Ablitzer Rev. Met. Paris, 98 12 (2001) 1129-1138 Published online: 25 October 2002 DOI: 10.1051/metal:2001152