Gotthard Graubner Books

Gotthard Graubner

By Gotthard Graubner

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Gotthard Graubner

By Gotthard Graubner, Oliver Kornhoff

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As one of the most important representatives of abstract painting, Gotthard Graubner idiosyncratically pursued the various effects of colour. This catalogue brings together around 50 pieces, from g...

Gotthard Graubner

By Gotthard Graubner

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Gotthard Graubner

By Gotthard Graubner

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Das Ohr am Tatort

By Gotthard Graubner

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Gotthard Graubner

By Uwe Wieczorek, Heinz Liesbrock, Gotthard Graubner

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Gotthard Graubner

By Erich Franz, Gotthard Graubner

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Gotthard Graubner Chroma

By Eva Kraus, Jurgen Schilling, Gotthard Graubner

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Gotthard Graubner

By Gotthard Graubner

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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.