Wolfram Hoepfner Books

Philosophenwege

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"Über die Methoden der Lehre und die Lehrstätten der Philosophen der spätklassischen Zeit kursieren abenteuerliche Vorstellungen. Trotz einseitiger Quellenlage lassen sich die Wege von Sokrates in...

Hermopolis Magna und das Heiligtum fur Ptolemaios III

By Wolfram Hoepfner

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The oldest Corinthian ring hall temple was built in Hermopolis Magna in Middle Egypt in 240 BCE. This is little known, although an Egyptian archaeologist discovered the dedicatory inscription of th...

Das Pompeion und seine Nachfolgerbauten.

By Wolfram Hoepfner

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Geschichte des Wohnens.

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Geschichte des Wohnens 5 Bde. Bd.2 500 1800 Hausen Wohnen Residieren

By Ulf Dirlmeier

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Geschichte des Wohnens 5 Bde. Bd.3 1800 1918 Das burgerliche Zeitalter

By Jurgen Reulecke, Clemens Zimmermann, Cemens Wischermann, Adelheid Von Saldern

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Geschichte des Wohnens 5 Bde. Bd.4 1918 1945 Reform Reaktion Zerstorung

By Kristiana Hartmann, Thomas Hafner, Gert Kahler

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Geschichte des Wohnens 5 Bde. Bd.5 1945 bis heute Aufbau Neubau Umbau

By Ingeborg Flagge

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Haus und Stadt im klassischen Griechenland

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Demokratie und Architektur

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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.