Industrial communications subsystem based on ISO 11898 (CAN) for controller-device interfaces - Part 5: Functional safety communication based on EN 50325-4; English version EN 50325-5:2010— 46 стр.
BS ISO 11992-1. Road vehicles. Interchange of digital information on electrical connections between towing and towed vehicles. Part 1. Physical and data-link layers— 33 стр.