translate English to French: (b) Working Party on Gas, related Ad Hoc Groups of Experts and Gas Centre (ENERGY/WP.3/2001/2, ENERGY/WP.3/GE.1/2001/2 and ENERGY/WP.3/GE.5/2001/2)
b) Groupe de travail du gaz, groupes spéciaux d'experts correspondants et Centre du gaz (ENERGY/WP.3/2001/2; ENERGY/WP.3/GE.1/2001/2; ENERGY/WP.3/GE.5/2001/2)