Documentation: ECE/TRANS/WP.29/GRB/2009/4, ECE/TRANS/WP.29/GRB/2009/5, ECE/TRANS/WP.29/GRB/2010/5, ECE/TRANS/WP.29/GRB/2010/9, Informal documents Nos. GRB-52-09, GRB-52-12 and GRB-52-15
Documents: ECE/TRANS/WP.29/GRB/2009/4, ECE/TRANS/WP.29/GRB/2009/5; ECE/TRANS/WP.29/GRB/2010/5, ECE/TRANS/WP.29/GRB/2010/9; documents informels GRB-52-09, GRB-52-12 et GRB-52-15.