Motor vehicle for the transportation of handicapped persons – Part 2: Restraint systems; concepts, requirements, testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1999

Motor vehicle for the transportation of handicapped persons – Part 2: Restraint systems; Concepts, requirements, testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 04/01/2015