Draft Document – Non-electrical navigation lights for sea-going ships and for inland navigation vessels – Overview, main dimensions, components
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/2014

Draft Document – Non-electrical navigation lights for sea-going ships and for inland navigation vessels – Overview, main dimensions, components
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2017