Werner Graf Books

The Head-Neck Sensory Motor System

By A. Berthoz, Werner Graf, Alain Berthoz, Pierre Paul Vidal

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The head carries most of the sensory systems that enable us to function effectively in our three-dimensional habitat. Without adequate head movement control, efficient spatial orientation and motor...

Lesen Und Biographie: Eine Empirische Fallstudie Zur Lektüre Der Hitlerjugendgeneration

By Werner Graf, Graf, Werner

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Werner Graf. The Author's Habilitationsschrift--universität Paderborn. Includes Bibliographical References.

Adolf Hitler Begegnet Karl May

By Werner Graf, Graf, Werner

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Sinn Des Lesens

By Werner Graf, Graf, Werner

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Christliche Grabmalsymbole: Eine Untersuchung Auf Dem Basel-Städtischen Friedhof Am Hörnli

By Werner Graf, Graf, Werner

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Graf Werner. Includes Index. Bibliography: P. 121-122.

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.