Stephan Lorenz Books

Zehn Jahre Schuldrechtsmodernisierung

By Stephan Lorenz, Beate Gsell, Markus Artz

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Festschrift fur Andreas Heldrich zum 70. Geburtstag

By Stephan Lorenz, Andreas Heldrich

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Mehr oder weniger?

By Stephan Lorenz

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Tafeln im flexiblen Uberfluss

By Stephan Lorenz

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Tafeln und ähnliche Initiativen sammeln die systematisch anfallenden Lebensmittelüberschüsse der Überflussgesellschaft, um sie wohltätig zu verteilen. Sie fügen sich damit in einen transnationalen...

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.