Ursula Quatember Books

Stein auf Stein

By Elisabeth Trinkl, Ursula Quatember, Karin Koller

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Das Nymphaeum Traiani in Ephesos

By Ursula Quatember

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Zwischen Bruch und Kontinuitat

By Ursula Quatember, Ute Lohner Urban

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Der sogenannte Hadrianstempel an der Kuretenstrasse Planmappe

By Ursula Quatember

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The publication on the so-called ?Temple of Hadrian" on Curetes' Street in Ephesos is the first comprehensive publication of this important monument from the Roman Imperial period in Asia Minor. Ba...

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.