ISO 5427:1984

Extension of the Cyrillic alphabet coded character set for bibliographic information interchange

Specifies a set of 42 graphic characters with their coded representations. Consists of a code table and a legend showing each graphic, its use, and its name. Explanatory notes are also included. These characters, together with characters in the basic Cyrillic set, constitute a character set for the international interchange of bibliographic citations, including their annotations, in the Cyrillic alphabet.