Klaus Topfer Books

Global Environment Outlook 2000

By Klaus Topfer

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Orientierung fur die Zukunft. Bildung im Wettbewerb.

By Rolf E. Breuer, Johannes Rau, Viviane Reding, Kofi Annan, Wolfgang Thierse, Klaus Topfer

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Dream City

By Sabine Presuhn, Klaus Topfer, Sebastian Redecke

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Ideenimport

By Herbert Bodner, Klaus Topfer

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Institutional and social innovation for sustainable urban development

By Harald A. Mieg, Klaus Topfer

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Which new institutions do we need in order to trigger local- and global sustainable urban development? Are cities the right starting points for implementing sustainability policies? If so, what are...

Institutional and social innovation for sustainable urban development

By Klaus Topfer, Harald A. Mieg

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Institutional and Social Innovation for Sustainable Urban Development

By Harald A. Mieg, Klaus Topfer

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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.