Ricardo Recio Cardona Books

Guerre eclair

By Ricardo Recio Cardona

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Deutsche Heeresuniformen und Ausrustung

By Karl P. E. Veltze, Ricardo Recio Cardona

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Das Heer

By Antonio Gonzalez Sanchez, Ricardo Recio Cardona

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Das Heer

By Antonio Gonzalez Sanchez, Ricardo Recio Cardona

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El servicio de Intendencia de la Division Azul: la vida cotidiana de los expedicionarios (1941-1943)

By Ricardo Recio Cardona

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Este segundo volumen de la serie Cuadernos de Historia Militar comienza con un recorrido por la guerra civil española para después centrarse en seis aspectos concretos: la organización del Ejército...

German Army Uniforms

By Antonio Sanchez, Ricardo Cardona

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Artillerie Allemande

By Ricardo Recio Cardona

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Sturmtruppen

By Ricardo Recio Cardona

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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.