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assigned to the serial in every medium. The format of the ISSN is an eight-digit code, divided by a hyphen into two four-digit numbers. As an integer number...

for all Library of Congress Control Numbers. In its most elementary form, the number includes a year and a serial number. The year has two digits for...

generation strategy: serial numbers, assigned incrementally or sequentially, by a central authority or accepted reference. random numbers, selected from a...

ISBNs on its own initiative. Another identifier, the International Standard Serial Number (ISSN), identifies periodical publications such as magazines and...

in devices with varying display sizes. The RFC Editor assigns each RFC a serial number. Once assigned a number and published, an RFC is never rescinded...