Kornelia Hafner Books

Gesellschaft und Erkenntnis: Zur materialistischen Erkenntnis- und Okonomiekritik

By Claus Rolshausen, Harald Kerber, Diethard Behrens, Kornelia Hafner

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Geschichtsphilosophie oder das Begreifen der Historizitat

By Diethard Behrens, Martin Blumentritt, Michael Heinrich, Helmut Reichelt, Kornelia Hafner

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Westlicher Marxismus

By Kornelia Hafner, Diethard Behrens, Diethard Behrens, Kornelia Hafner

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Die AutorInnen gehen einem schillernden Begriff auf den Grund, dem üblicherweise so unterschiedliche Denker wie Althusser, Gramsci, Horkheimer und Adorno zugerechnet werden. Von dem Philosophen Mer...

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.