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 What Lies Below "What Lies Below" is the 13th episode of the second season of the American science fiction drama television series "Fringe". Set in a quarantined Boston office building, the episode revolves around a thousands-year-old viral hemorrhagic fever that infects and then influences its victims to attempt to spread the viral particles outside of the building. It was the third "Fringe" episode to be written by supervising producer Jeff Vlaming, while it was director Deran Sarafian's only credit for the series to date. After his character becomes infected, actor Joshua Jackson commented during shooting to "just imagine the worst