Gertrud Oelsner Books

Thorald Brendstrup

By Gertrud Oelsner, Thorald Brendstrup, Ingeborg Bugge

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En faelles forestillet nation

By Gertrud Oelsner

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En fælles forestillet nation er en nybrydende undersøgelse af, hvordan 1800-tallets danske landskabsmaleri bidrog til at skabe en fælles visuel nation og formede vores forståelse af Danmark som nat...

Emergences

By Gertrud Oelsner, Annette Rosenvold Hvidt, Vilhelm Hammershoi

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Jordforbindelser

By Gertrud Oelsner, Gry Hedin

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Jordforbindelser

By Gertrud Oelsner, Gry Hedin

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P.C. Skovgaard

By Gertrud Oelsner

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The spirit of vitalism

By Gertrud Oelsner, Gertrud Hvidberg Hansen

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Vilhelm Kyhn det danske landskabsmaleri

By Gertrud Oelsner

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Miroirs du ciel

By Gertrud Oelsner, Anne Hojer Petersen, Gertrud Hvidberg Hansen, Karin Hansen

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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.