Klaus Hoffmann Books

Afghana

By Klaus Hoffmann, Hoffmann Klaus

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Klaus Hoffmann Sanger: Samtliche Lieder

By Klaus Hoffmann, Hoffmann Klaus

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Lucy Hillebrand - Wege zum Raum

By Klaus Hoffmann, Hoffmann Klaus

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Otto Hahn: Achievement and Responsibility

By Klaus Hoffmann, Hoffmann Klaus Dr. Rer. Nat.

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Otto Hahn

By Klaus Hoffmann

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Otto Hahn (1879-1968) was awarded the 1944 Nobel Prize for Chemistry for his work on atomic fission: his work in Berlin in the 1930s and 1940s with Lise Meitner and Fritz Strassmann led to the disc...

J. Robert Oppenheimer

By Klaus Hoffmann

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Otto Hahn: Achievement and Responsibility

By Klaus Hoffmann

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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.