Hans Georg Hofer Books

Medizin Und Nationalsozialismus

By Karl Heinz Leven, Hans Georg Hofer, Bernd Grun

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Die Freiburger Medizinische Fakultat Im Nationalsozialismus

By Karl Heinz Leven, Hans Georg Hofer

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War Trauma and Medicine in Germany and Central Europe

By Wolfgang U. Eckart, Hans Georg Hofer, Cay Rudiger Prull

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Medizintater

By Hans Georg Hofer, Heiner Fangerau, Robert Davidson, Ralf Forsbach, Petra Betzien

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Nervenschwache und Krieg

By Hans Georg Hofer

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Since the 1880s neurasthenia - a term popularised by New York-physician George Beard - was discussed an a phenomenon of modernity, but over a long period of debate, psychiatry were not able to defi...

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.