Claus Dieter Ehlermann Books

Proceedings of the European Competition Forum

By Laraine Laudati, Belgium European Competition Forum 1995 Brussels, Claus Dieter Ehlermann

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European Competition Law Annual 2000

By Claus Dieter Ehlermann

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European Competition Law Annual 2002

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European Competition Law Annual 2003

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European Competition Law Annual 2005

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European Competition Law Annual 2003

By Claus Dieter Ehlermann

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The European Competition Law Annual 2003 is the seventh in a series of volumes following the annual workshops on EU Competition Law and Policy held at the Robert Schuman Centre of the European Univ...

European competition law annual 1998

By Claus Dieter Ehlermann

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European Competition Law Annual 1999

By Claus Dieter Ehlermann

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The European Competition Law Annual 1999 is fourth in a series of volumes including the materials of the annual Workshops on EU Competition Law and Policy held at the Robert Schuman Centre of the E...

European competition law annual 2005

By Claus Dieter Ehlermann, Isabela Atanasiu

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This is the tenth in a series of volumes based on the annual workshops on EU Competition Law and Policy held at the Robert Schuman Centre of the European University Institute in Florence. The volum...

Robert Schuman Centre Annual on European Competition Law Vol. 1 1996 Robert Schuman Centre Annual on European Competition Law

By Claus Ehlermann

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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.