Vaclav Koubek Books

Mathematical Foundations of Computer Science 1992

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Mathematical Foundations of Computer Science 1988

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Vesnicke povidky, aneb, Od hrbitova k lesu

By Vaclav Koubek

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Mathematical Foundations of Computer Science 2004

By Jan Kratochvil, Vaclav Koubek, Jiri Fiala

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Sebrane povidky. Hospodske vesnicke kari a trpke povidky

By Vaclav Koubek

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Souborné vydání svérázných povídek z české hospody, vesnice a cesty po Indii. Muž mnoha profesí Václav Koubek - písničkář, zpěvák a harmonikář, který vydal již čtyři alba, divadelní a filmový herec...

Trpke povidky

By Vaclav Koubek

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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.