Gertrud Koch Books

Farbe Film Musik

By Gertrud Koch, Annette Brauerhoch, Heide Schlupmann, Renate Lippert

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Herbert Marcuse zur Einfuhrung

By Gertrud Koch, Hauke Brunkhorst

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Konkursbuch. Zeitschrift fur Vernunftkritik Gender Game: Weibliche Maskerade - Mannlichkeiten

By Gertrud Koch, Siegfried Kaltenecker, Wibke Ratzeburg

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Umwidmungen: Architektonische und kinematographische Raume

By Gertrud Koch

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Ulrike Ottinger

By Katharina Sykora, Laurence Rickels, Michael Oppitz, Catherine David, Gerald Matt

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Catalog of an exhibition with the same title, held Feb 9-April 29, 2007 at the Mildred Lane Kemper Art Museum, Washington University, St. Louis, Mo., and May20-Sept.2, 2007 at the Opelvillen, Russe...

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.