Jorg Martin Jehle Books

The study presented in this book is a direct response to the needs for defining and registering criminal and judicial data on the European level. Based upon work done in creating the European Sourc...

Criminal justice in Germany 2000

By Jorg Martin Jehle

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Datenzugang und Datenschutz in der kriminologischen Forschung

By Jorg Martin Jehle

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Kriminologie zwischen Grundlagenwissenschaften und Praxis

By Klaus M. Beier, Volker Dittmann, Jorg Martin Jehle

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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.