Henning Wegener Books

Espana Y Alemania

By M. A. Vega, Hening Wegener

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Ernst Junger y sus pronosticos del tercer milenio

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Averting disaster

By W. A. Barletta, Henning Wegener

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This is a book of testimonials from participants of the famous Erice International Seminars, which have addressed a long list of planetary problems and emergencies.

Averting Disaster Science for Peace in a Perilous Age The Erice International Seminars on Nuclear War and Planetary Emergencies

By Claude G. Manoli, Henning Wegener, William A. Barletta

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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.