Mathias Döpfner Books

Aus Der Zeit: Kunst Der 50er Und 60er Jahre Aus Der Sammlung Ströher

By Mathias Döpfner

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Stephan Balkenhol: Balanceakt

By Kai Diekmann, Stephan Balkenhol, Rainer Laabs, Mathias Döpfner, Matthias Winzen, Ingrid Schaffner, Jurij Nikitsch

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Triumph? / Mathias Döpfner -- Why Here? / Rainer Laabs -- The Making Of . . . / Kai Diekmann -- How A Balancing Act Is Made / Nicolaus Fest -- Cautious Optimism : A Conversation With Stephan Balken...

Skulpturengarten

By Johanna Clary, Mathias Döpfner, Jochen Littkemann, Villa Schoningen

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Axel Springer - Neue Blicke Auf Den Verleger

By Hubert Burda, Mathias D, Franziska Augstein, Egon Bahr, Mathias Döpfner, Axel Springer, Ernst Cramer, Henryk M. Broder

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Brüssel. Das Insider- Lexikon.

By Mathias Döpfner

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Die Freiheitsfalle

By Mathias Döpfner

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The Trade Trap

By Mathias Döpfner

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Global business leader Mathias Döpfner offers a “compelling” (Gideon Rachman, chief foreign affairs columnist for Financial Times) and revolutionary road map to reshape global trade, strengthen our...

Trade Trap

By Mathias Döpfner

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Trade Trap

By Mathias Döpfner

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Global business leader Mathias Döpfner offers a revolutionary roadmap to reshape global trade, strengthen our democracy, and safeguard our freedoms. Freedom is on the decline around the world. Auto...

Deutschland Online

By Mathias Döpfner, Thomas Holtrop, Bernd W. Wirtz

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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.