Roger Friedlein Books

Dialogo y censura en el siglo XVI

By Roger Friedlein, Maria Jose Vega, Ana Vian Herrero

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"Este libro sobre censura y diálogo, o sobre el diálogo a la luz de la censura, explora de forma conjunta fenómenos relevantes de la historia cultural europea, desde la herejía al saber reservado....

Der Dialog bei Ramon Llull

By Roger Friedlein

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El dialeg en Ramon Llull

By Roger Friedlein

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Dialogo y censura en el siglo XVI

By Roger Friedlein, Maria Jose Vega, Ana Vian Herrero

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Els catalans i llatinoamerica S. XIX i XX

By Roger Friedlein, Imma Marti Esteve, Corinna Albert

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Dialog Bei Ramon Llull

By Roger Friedlein

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Kosmovisionen

By Roger Friedlein

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Das Streitgedicht im Mittelalter

By Sebastian Neumeister, Roger Friedlein, Franziska Wenzel, Peter Stotz, Holger Runow, Johann Gottlieb Fichte

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Das Streitgedicht im Mittelalter

By Sebastian Neumeister, Franziska Wenzel, Roger Friedlein, Peter Stotz, Johann Gottlieb Fichte, Holger Runow

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Yo en la epopeya

By Roger Friedlein, Dirk Brunke

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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.