DIN SPEC 91286 [Withdrawn] references following documents:

Document number Edition Title
ITU-T E.164 2010-11 The international public telecommunication numbering plan More 
IEC 69/188/CD ; ISO/IEC 15118-1:2011-04 2011-04 ISO/IEC 15118-1, Ed. 1.0: Road vehicles - Vehicle to grid communication interface - Part 1: General information and use-case definition More