International Standard Serial Number "ISSN-L" facilitates search, retrieval and delivery across all media versions for services like OpenURL, library catalogues, search engines or knowledge bases. International Standard Serial Number An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication. The ISSN is especially helpful in distinguishing between serials with the same title. ISSN are used in ordering, cataloging, interlibrary loans, and other practices in connection with serial literature. The ISSN system was first drafted as an International Organization for Standardization (ISO) international standard in 1971 and published as ISO 3297 in 1975. ISO subcommittee TC 46/SC
What Lies Ahead on AMC. It received 7.3 million viewers and attained a 4.8HH rating, breaking the record for the most-watched drama in the history of cable television. It received the second highest viewership of the week ending October 16, scoring higher than "Jersey Shore" but less than a 2011 NFL season game between the Detroit Lions and the Chicago Bears. "What Lies Ahead" achieved similar feats, attaining a 3.8 rating—translating to 4.8 million viewers—in the 18-49 demographic, according to Nielsen ratings. In the 25–54 demographic, it garnered 4.2 million viewers. Total viewership after two encore presentations was 11 million viewers, an increase