ISBN - Publisher number GENOSVerlag: 978-3-943585

The ISBN - International Standard Book Number identifies the world over as short and clear, even machine-readable identification feature of any book unmistakably.

The ISBN is a title once marked forever.

An equally important function is the ISBN for libraries. This is for example the accessions and the inter-library cooperation to bear.

Source: http://www.german-isbn.de/index.html

The International Standard Book Number, ISBN abbreviated, is a number that uniquely identifies books and other independent publications with editorial content, such as multimedia and software products. Since 1 January 2007, the ISBN-13 digits binding.

Source: http://de.wikipedia.org/wiki/Internationale_Standardbuchnummer