Regine Le Jan Books

Ce volume recueille les actes d'un colloque tenu à Bruxelles dans le cadre du programme international 'Les élites au haut Moyen Âge' et se propose d'étudier la richesse comme critère d'appartenance...

Agon

By Thomas Lienhard, Regine Le Jan, Francois Bougard

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"Alors que le monde antique vit au rythme de la compétition individuelle et collective, celle-ci paraît perdre beaucoup de son importance dans l'Occident du haut Moyen Âge. Entre les dernières mani...

Femmes pouvoir et societe dans le haut moyen age

By Regine Le Jan

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La vengeance, 400-1200

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Faire lien

By Laurent Jegou, Regine Le Jan

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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.