Thomas Sauer Books

Die Zukunft der europaischen Wahrungsunion

By Thomas Sauer

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Strategische Informationssystemplanung in Banken

By Thomas Sauer

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Welche Zukunft hat die EU?

By Peter Wahl, Thomas Sauer

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"Die Krise der EU stellt die Frage nach der Zukunft der Union auf die Tagesordnung. Das Meinungsspektrum in der linksalternativen Diskussion bewegt sich zwischen den Polen Bundesstaat und Staatenbu...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.