Helge Drange Books

Nordic Seas

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Radioactivity and Pollution of the Arctic Seas

By Victor Tishkov, Ivan A. Neelov, Lasse H. Pettersson, Mark J. Zheleznyak, Yongqi Gao, Sven P. Nielsen, Ola M. Johannessen, Vladimir S. Maderich, Vladimir A. Volkov, Leonid P. Bobylev, Andrey V. Stepanov, Helge Drange

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“Polar Seas Oceanography” describes a new tool called the Generic Model System for simulations and assessment of potential radioactive spreading in the Arctic regions, through rivers, estuaries, re...

Nordic Seas

By Trond Dokken, Wolfgang Berger, Tore Furevik, Rudiger Gerdes, Helge Drange

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Radioactivity and Pollution in the Nordic Seas and Arctic

By Olaf M. Johannessen, Lasse H. Pettersson, Yongqi Gao, Vladimir A. Volkov, Helge Drange

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Radioactivity and Pollution in the Nordic Seas and Arctic

By Ivan A. Neelov, Lasse H. Pettersson, Yongqi Gao, Sven P. Nielsen, Vladimir S. Maderich, Olaf M. M. Johannessen, Vladimir A. Volkov, Leonid P. Bobylev, Andrey V. Stepanov, Helge Drange

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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.