Jan Nemecek Books

Soumrak a usvit ceskoslovenske diplomacie

By Jan Nemecek

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Cesko ruske vztahy v 19. a 20. stoleti

By Emil Voracek, Jan Nemecek

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Ceskoslovensko sovetska smlouva 1943

By Jan Nemecek

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Czechoslovak-Soviet Treaty, signed in Moscow on Dec. 12, 1943.

Ceskoslovenska zahranicni politika na sklonku valky

By Jan Nemecek

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Ceskoslovenska zahranicni politika v roce 1943

By Daniela Nemeckova, Jan Kuklik, Jan Nemecek

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Ceskoslovensko a krize demokracie ve stredni Evrope ve 30. a 40. letech XX. stoleti

By Jan Nemecek

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Ceskoslovenska zahranicni politika v roce 1943

By Daniela Nemeckova, Jan Kuklik, Jan Nemecek

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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.