Jurgen Leonhardt Books

Neue Arbeitsstrukturen in der Automobilindustrie

By Jurgen Leonhardt

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Latin

By Jurgen Leonhardt

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"The mother tongue of the Roman Empire and the lingua franca of the West for centuries after Rome's fall, Latin survives today primarily in classrooms and texts. Yet this "dead language" is unique...

Ciceros Kritik der Philosophenschulen

By Jurgen Leonhardt

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Latein

By Jurgen Leonhardt

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Wege Umwege und Abwege

By Jurgen Leonhardt

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Dimensio syllabarum

By Jurgen Leonhardt

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Phalloslied und Dithyrambos

By Jurgen Leonhardt

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Latin

By Jurgen Leonhardt

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Latin

By Jurgen Leonhardt

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Latin

By Jurgen Leonhardt, Kenneth Kronenberg

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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.