Pavel Onderka Books

Tomb of Unisankh at Saqqara and Chicago

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Unisankh's tomb was built within the so-called Unis Cemetery-North West, set between the funerary complexes of Netjerykhet and Unis in Central Saqqara. Together with two adjoining tombs of the vizi...

The Deir el Medina and Jaroslav Cerny collections

By Jaana Toivari Viitala, Pavel Onderka

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Atlas of Egyptian mummies in the Czech collections

By Pavel Onderka

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V zahrade Sennedzemove

By Pavel Onderka

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Objevovani zeme na Nilu

By Pavel Onderka

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Na brezich Nilu

By Pavel Onderka

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There and back again

By Jana Mynarova, Peter Pavuk, Pavel Onderka

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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.