Umberto Pappalardo Books

Domus Wall Painting in the Roman House Getty Trust Publications J. Paul Getty Museum

By Umberto Pappalardo, Donatella Mazzoleni

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Pompei

By Umberto Pappalardo, Gianni Berengo Gardin

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Fresques Des Villas Romaines French Edition

By Collective

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Griechische und Romische Mosaiken

By Umberto Pappalardo, Rosaria Ciardiello

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Zu Ehren des Zeus

By Umberto Pappalardo

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"Höher, schneller, weiter -- dem Göttervater Zeus zu Ehren massen sich junge Männer vermutlich seit 776 v. Chr. in Disziplinen wie Laufen, Springen, Werfen und Kämpfen, Die Olympioniken der ersten...

Zu Ehren des Zeus

By Umberto Pappalardo

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Heinrich Schliemanns Reisen

By Heinrich Schliemann

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Le ville romane nel golfo di Napoli

By Umberto Pappalardo

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The gulf of Naples

By Umberto Pappalardo

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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.