Wilhelm Fresenius Books

The book is written for the practitioner in water analysis and quality assurance of drinking water. In addition to detailed instructions for sampling and immediate analysis, the book provides a con...

Water Analysis

By Walter Czysz, Heinz Gorbauch, W. Schneider, Hans J. Hoffmann, Hanno Birke, Wilhelm Fresenius, Karl E. Quentin, Franz Josef Bibo, A. Gledhill, Richard Holland, T.J. Oliver, Wilhelm Schneider, Hans Herrmann Rump, Helmut Bohm

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Elemente Der Achten Nebengruppe

By Hans Oberlander, Wilhelm Fresenius, Wilhelm Geibel, Gerhart Jander, Georg Bauer

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Elemente Der Achten Nebengruppe

By Barbara Gr Xfcttner, Wilhelm Fresenius, Gerhart Jander, H. Hahn

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Analytiker Taschenbuch. Band 1

By Walter Huber, Hermann Kienitz, Wilhelm Fresenius, Gunter Tolg, Rudolf Bock

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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.