What are ISSN assigned to?
The ISSN UK Centre is responsible for assigning ISSN to serials published in the United Kingdom alone. ISSN are assigned to the titles of serial publications in accordance with the definition below: A continuing resource in any medium, issued in a succession of discrete parts [and having a common title], usually bearing numbering, that has no predetermined conclusion. Examples of serials include journals, magazines, electronic journals, ongoing directories, annual reports, newspapers, and monographic series. ISSN may also be assigned to online journal titles, CD-ROMs and diskettes which are intended to be issued on a continuous basis. Different editions of serials must have different ISSN. This applies to different language editions, regional editions and different physical formats (e.g. CD-ROM, online and print versions of a journal title have separate numbers). However ISSN are not assigned to Internet resources consisting predominantly of links, nor individual or company home pages
