Rudolf Greiner Books

Bernd Kastenholz

By Rudolf Greiner

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Ida Kerkovius

By Rudolf Bayer, Ida Kerkovius, Rudolf Greiner, Irmgard Sedler

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Gunter Schollkopf

By Rudolf Greiner

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Josef Hoffmann

By Stadthalle Balingen

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Summary: Als Mitbegründer der "Vereinigung Bildender Künstler Österreichs-Secession", der "Wiener Werkstätte" und des "Österreichischen Werkbundes" sowie als Professor für Architektur an der "Wiene...

Paso

By Paso

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Oswald Oberhuber

By Martina Kandeler Fritsch, Rudolf Greiner, Oswald Oberhuber

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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.