International Standard Serial Number 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 9 is responsible for maintaining the standard. When a serial with the same content is published in more than one media
What Lies Below the van, and carefully rigged it to cave-in upon impact but also make it as painless as possible for Uyeda. To achieve this, they modified the ribs that supported the roof by placing them on pins that would snap, and also added a three-millimeter glass plate that would snap between two sheets of black hard nylon-type plastic to further emphasize the distance she jumped. The first airing of "What Lies Below" was watched by an estimated 6.90 million viewers in the United States, with a 2.6/7 rating for those aged 18–49. SFScope writer Sarah Stegall considered these numbers to be