Description of document versions ==================================== .. csv-table:: "**Version** **Aster**", "**Author (s)** **Organization (s)**", "**Description of changes**" "6", "J.M. PROIX -R&D/ AMA ", "Initial text" "8.4", "*G. DEVESA, J.L. FLEJOU, P. PENSERINI* EDF -R&D/ AMA EDF/LME ", ""