Petr Krajci Books

Navzdory

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Czech architecture between 1969 and 2019 and its representatives defining spiritual and commercial totalitarianism. That means a view of the history of fifty years of Czech architecture in terms of...

Slavne stavby Prahy 5.

By Pavlina Dolejska, Petr Krajci, Patrik Libal, Pavel Jiras, Zdenek Lukes, Alena Krizkova, Jiri Podrazil

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Slavne stavby v Praze Troji

By Petr Krajci, Jiri Podrazil

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Slavne stavby Prahy 10

By Petr Cincibuch, Petr Krajci, Jiri Podrazil

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Architecture civil engineering and design

By Igor Janovsky, Petr Krajci, Jana Kleinova, Katerina Uksova

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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.