Gerhard Welp Books

Scheffer Schachtschabel Lehrbuch der Bodenkunde

By Ellen Kandeler, Gunther Hippmann, Heiner Fleige, Soren Thiele Bruhn, Ruben Kretzschmar, Hans Peter Blume, Karl Stahr, Thomas Gaiser, Rainer Horn, Rolf Tippkotter, Berndt Michael Wilke, Gerhard Welp, Jurgen Gauer, Ingrid Kogel Knabner, Nina Stoppe, Wulf Amelung

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Lehrbuch der Bodenkunde

By Gerhard W. Brummer, Ellen Kandeler, Berndt Michael Wilke, Soren Thiele Bruhn, Ruben Kretzschmar, Hans Peter Blume, Karl Stahr, Rainer Horn, Gerhard Welp, Ingrid Kogel Knabner

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Scheffer Schachtschabel

By Gerhard W. Brummer, Soren Thiele Bruhn, Hans Peter Blume, Gerhard Welp

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Scheffer Schachtschabel

By Gerhard W. Brummer, Soren Thiele Bruhn, Hans Peter Blume, Rainer Horn, Gerhard Welp

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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.