35 - 39);  - September 2008 (ECE/TRANS/WP.15/AC.1/2008/13, informal document INF.8 and ECE/TRANS/WP.15/AC.1/112, paras.
En mars 2008 (document informel INF.15 et ECE/TRANS/WP.15/AC.1/110, par. 35 à 39); En septembre 2008 (ECE/TRANS/WP.15/AC.1/2008/13, document informel INF.8 et ECE/TRANS/WP.15/AC.1/112, par.