Willy Ostreng Books

Soviet oil and security interests in the Barents Sea

By Helge Ole Bergesen

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Science without boundaries

By Willy Ostreng

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Science without boundaries

By Willy Ostreng

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Politics in high latitudes

By Willy Ostreng

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National Security and International Environmental Cooperation in the Arctic The Case of the Northern Sea Route Environment Policy

By Willy Ostreng

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The basic objective of this book is to place the Northern Sea Route, as the largest scale economic endeavour of the North, into the broader picture of contemporary Arctic politics. The book's over...

The Natural and Societal Challenges of the Northen Sea Route A Reference Work

By Willy Ostreng

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Politics in high latitudes

By Willy Ostreng

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The Soviet Union in Arctic Waters

By Willy Ostreng

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Shipping in Arctic Waters

By Brit Floistad, Morten Mejlaender Larsen, Arnfinn Jorgensen Dahl, Willy Ostreng, Lars Lothe, Tor Wergeland, Karl Magnus Eger

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Det politiske Svalbard

By Willy Ostreng

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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.