Georg Kalaitzoglou Books

Petasos

By Hans Lohmann, Gundula Ludorf, Georg Kalaitzoglou

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Ein Altar für zwei Tempel. Fallbeispiele aus Athen und Attika /Ulrich-Walter Gans -- Der Marktempel in Demetrias und die Gruppe der 'peripteralen Kleintempel' / Torsten Mattern --Die Westanlagen de...

Petasos

By Gundula Ludorf, Hans Lohmann, Georg Kalaitzoglou

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Forschungen in der Mykale

By Gundula Ludorf, Hans Lohmann, Georg Kalaitzoglou

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Excavations at Mount Mycale, today's Dilek Dağları, in Turkey's Aydın province.

Forschungen in der Mykale

By Gundula Ludorf, Hans Lohmann, Georg Kalaitzoglou

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Excavations at Mount Mycale, today's Dilek Dağları, in Turkey's Aydın province.

Forschungen in der Mykale

By Hans Lohmann, Gundula Ludorf, Georg Kalaitzoglou

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Excavations at Mount Mycale, today's Dilek Dağları, in Turkey's Aydın province.

Assesos

By Georg Kalaitzoglou

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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.