Hans Krongaard Kristensen Books

Franciskanerklostret i Horsens

By Hans Krongaard Kristensen

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Tvilum Kloster

By Hans Krongaard Kristensen

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Asmild Kirke og Kloster

By Hans Krongaard Kristensen

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På østsiden af Viborg Søndersø ligger en af Danmarks ældste kirkebygninger. Asmild Kirke er et hovedmonument i den tidlige danske arkitektur, og få kirker i landet har en så kompliceret bygningshis...

Klostre i det middelalderlige Danmark

By Hans Krongaard Kristensen

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Danske Byer I Middelalderen

By Bjorn Poulsen, Hans Krongaard Kristensen

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Mariager Kloster

By Hans Krongaard Kristensen

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Mariager Kloster var i middelalderen det største bygningskompleks i Jylland. I tidens løb blev kirken reduceret meget stærkt og de fleste klosterbygninger forsvandt. Det kan være ganske vanskeligt...

Om Kloster

By Hans Krongaard Kristensen

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Bogen skildrer klosteranlæggets bygningshistorie på baggrund af talrige arkæologiske undersøgelser gennem årene.00Der er tale om en grundlæggende fremstilling, der kildekritisk samler de forskellig...

Danmarks Byer I Middelalderen

By Bjorn Poulsen, Hans Krongaard Kristensen

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Franciscan friary of Svendborg

By Hans Krongaard Kristensen

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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.