Christiane Wirth Books

German English dictionary

By Ursula Martini, Christiane Wirth

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Italian English dictionary

By Francesco Cucinotta, Ursula Martini, Christiane Wirth

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Spanish English dictionary

By Ursula Martini, Christiane Wirth

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Provides equivalents in the Spanish spoken in both Spain and Latin America for a hundred thousand words and expressions in American English, along with numerals, symbols, abbreviations, cultural ti...

Sprechen wie ein echter Franzose

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Sprechen wie ein echter Italiener

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Probleme Der Nominalen Pluralmorphologie in Der Franzosischen Und Spanischen Schriftsprache Bonner Romanistische Arbeiten

By Christiane Wirth

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Die Osterreichische Bundesverfassung und Hans Kelsen

By Felix Ermacora, Hans Kelsen, Christiane Wirth

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Sprechen wie ein echter Englander

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Sprechen wie ein echter Spanier

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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.