Informal documents Nos. WP.29-150-02, GRE-63-12 and GRE-63-12/Rev.1
Documents: ECE/TRANS/WP.29/2010/23 et ECE/TRANS/WP.29/2010/23/Corr.1; documents informels WP.29-150-02, GRE-63-12 et GRE-63-12/Rev.1.