Poul Erik Morthorst Books

Decentralised Power Generation in the Liberalised EU Energy Markets

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The book gives a comprehensive overview of technologies for decentralised power generation (DG technologies), including those based on both renewable energy sources (RES), and on combined heat and...

Decentralised Power Generation in the Liberalised EU Energy Markets

By Wolfram Joerss, Martine Uyterlinde, Poul Erik Morthorst, Peter Loeffler

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Samfundsokonomi for Vindmoller

By Poul Erik Morthorst

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Wind Energy in the 21st Century

By Robert Y. Redlinger, Per Dannemand Andersen, Poul Erik Morthorst

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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.