Ernst Homburg Books

The Chemical Industry in Europe 1850 1914

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Determinants in the Evolution of the European Chemical Industry 1900 1939

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De geschiedenis van de scheikunde in Nederland

By H. A. M. Snelders

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De geschiedenis van de scheikunde in Nederland

By H. A. M. Snelders

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Van beroep Chemiker

By Ernst Homburg

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Groeien door kunstmest

By Ernst Homburg

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Kennis van oude schildermaterialen is onontbeerlijk voor kunsthistorisch onderzoek van schilderijen en voor de restauratiepraktijk. Maar ze is ook boeiend voor een breder publiek, geïnteresseerd in...

Determinants in the Evolution of the European Chemical Industry 1900 1939

By Ernst Homburg, Anthony S. Travis, Harm G. Schroter

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Solvay

By Ernst Homburg, Kenneth Bertrams, Nicolas Coupain

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Solvay

By Ernst Homburg, Kenneth Bertrams, Nicolas Coupain

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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.