Barbara Helwing Books

Die Metallindustrie in Mesopotamien von den Anfangen bis zum 2. Jahrtausend v.Chr.: Katalog, Tabellen und Tafeln. Katalog der untersuchten ...

By Uwe Muller, Michael Muller Karpe, Ernst Pernicka, Barbara Helwing, Joachim Lutz, Hauptmann Harald

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The Kura projects

By Barbara Helwing

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Zwei deutsch-französische Forschungsprojekte werfen neues Licht auf die holozäne Landschafts- und Kulturgeschichte des Kuratals. Die multidisziplinären Ausgrabungen und Surveys, die von 2010 bis 20...

Iran

By Barbara Helwing

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HASSEK HOYUK II Die Spatchalkolithische Keramik

By Barbara Helwing

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Early mining and metallurgy on the western central Iranian plateau

By Barbara Helwing, Abdolrasool Vatandoust, Hermann Parzinger

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Tehran 50

By Barbara Helwing, Patricia Rahemipour

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Associated Regional Chronologies for the Ancient near East and the Eastern Mediterranean

By Barbara Helwing

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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.