Mathias Bähr Books

The perennial neurology classic, updated and expanded The sixth edition of Duus' classic Topical Diagnosis in Neurology builds on the clear, integrated presentation of anatomy, function, and disord...

Neurologisch topische Diagnostik

By Michael Frotscher

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Duus' Topical Diagnosis In Neurology: Anatomy - Physiology - Signs - Symptoms

By Michael Frotscher, Mathias Bähr, Mathias Baehr

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Now in a new, larger format, this Fifth edition of the classic Topical Diagnosis in Neurology provides the clear, integrated presentation of anatomy, function, and disorders of the central nervous...

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.