Sigrid Czeika Books

Knochen lesen

By Sigrid Czeika

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Die Residenzstadt Wien an der Donau

By Sabine Grupe, Michael Grabner, Ingeborg Gaisbauer, Werner Chmelar, Sigrid Czeika

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Die archaologischen und bauhistorischen Untersuchungen im Schloss Kaiserebersdorf

By Michaela Muller, Lotte Dollhofer

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Strassen und Platze

By Martin Mosser, Ingeborg Gaisbauer

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From the contents: Straßenerschließung in der südlichen Vorstadt der Colonia Claudia Ara Agrippinensium - Köln / Dendrochronologie der römerzeitlichen Holzfunde vom Waidmarkt in Köln / Das römische...

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.