Ulrich Stelkens Books

Verwaltungsprivatrecht

By Ulrich Stelkens

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Verwaltungshaftungsrecht

By Ulrich Stelkens

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35 Jahre Verwaltungsverfahrensgesetz

By Hermann Hill

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The implementation of the EU services directive

By Michael Mirschberger, Weiss Wolfgang, Ulrich Stelkens

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The Services Directive is one of the cornerstones for the realization of the EU internal market and is fundamental to economic and legal experts, as well as to the general public. This book analyse...

Good Administration and the Council of Europe

By Agn E Andrijauskait E, Ulrich Stelkens

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Droit compare des contrats publics

By Hanna Schroder, Rozen Noguellou, Ulrich Stelkens

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Verwaltungsprivatrecht

By Ulrich Stelkens

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35 Jahre Verwaltungsverfahrensgesetz Bilanz und Perspektiven

By Jan Ziekow, Karl Peter Sommermann, Ulrich Stelkens, Hermann Hill

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Vollzugstaugliche Rechtsetzung

By Arne Pautsch, Gisela Farber, Joachim Beck, Ulrich Stelkens

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TKG Wegerecht 68 77 TKG

By Ulrich Stelkens

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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.