Antonius Hockelmann Books

Antonius Hockelmann

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Antonius Höckelmann stammt aus Westfalen, absolvierte sein Kunststudium an der Hochschule für Bildende Kunst in Berlin bei Karl Hartung und ging 1970 in die Kunstmetropole Köln, wo er bis zu seinem...

Antonius Hockelmann

By Antonius Hockelmann

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Antonius Hockelmann

By Antonius Hockelmann

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Antonius Hockelmann: Passionen

By Martin Gesing, Antonius Hockelmann, Ellen Schwinzer, Burkhard Richter, Oberburgermeister Der Stadt Hamm

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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.