Bettina Kaufmann Books

Symbol und Wirklichkeit

By Bettina Kaufmann

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Meisterwerke des Expressionismus aus der Sammlung Johenning

By Jutta Barbara Desel, Bettina Kaufmann, Sebastian Steinbach, Sylvia Wolfle, Christian Ring

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Paul Cezanne

By Bettina Kaufmann, Lothar Schirmer, Paul Cezanne

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Im Oktober 1907 fand in Paris eine Gedächtnisausstellung zu Ehren des ein Jahr zuvor verstorbenen Malers Paul Cézanne statt. Sie umfasste 49 Gemälde und sieben Aquarelle, begründete Cézannes Ruf al...

Sophie Taeuber Arp

By Natalia Sidlina, Bettina Kaufmann

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Julio le Parc

By Julio Le Parc, Hans Michael Herzog, Bettina Kaufmann, Katrin Steffen, Alexander Alberro

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German Expressionism

By Michael Beck, Ivan Ristic, Ute Eggeling, Angelika Katzlberger, Hans Peter Wipplinger

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Paul Cezanne

By Lothar Schirmer, Paul Cezanne

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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.