| GRB-47-11 - (IMMA) ECE R41 revision - Outline of main modules with crossreference to draft amending text |
| GRB-47-10 - (National Federation of the Blind) The Danger Posed by Silent Vehicle |
| GRB-47-09 - (Netherlands) Some recent experiences with Tyre noise measurements |
| GRB-47-08 - (DEG) Proposal for draft amendments to Regulation No. 41 (Motorcycle noise emissions) |
| GRB-47-07 - (Netherlands) Regulation No. 117 - Proposal for draft amendments to the Regulation. - (Tyre rolling noise and wet grip adhesion) |
| GRB-47-06 - (USA) US Pavement Noise Research |
| GRB-47-05 - (CLEPA) Result of sound emissions of vehicles tested according to Regulation No. 51 |
| GRB-47-04 - (CLEPA) Clepa presentation supporting justifications of informal documents GRB-47-02 and GRB-47-03 proposing amendments to Regulations Nos. 51 and 59 |
| GRB-47-03 - (CLEPA) Proposal for a revised text of the Regulation (Replacement silencing systems) |
| GRB-47-02 - (CLEPA ) Proposal for draft amendment to Regulation No. 51 (Noise of M and N categories of vehicles) |
