Christos Stremmenos Books

St. Reinoldi in Dortmund

By Nathalie Josephine Von Mollendorff, Regina Wittmann, Christos Stremmenos, Wolfgang Sonne, Barbara Welzel

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Zwei Objektüberlieferungen werden wissenschaftlich aufeinander bezogen: Bestände im Archiv für Architektur und Ingenieurbaukunst NRW der TU Dortmund und die Stadtkirche St. Reinoldi in Dortmund. In...

Ernst Ludwig Kirchner

By Ernst Ludwig Kirchner, Christos Stremmenos, Alexandra Apfelbaum, Wolfgang Sonne

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Im Juni 1905 gründete Ernst Ludwig Kirchner gemeinsam mit seinen Kommilitonen Fritz Bleyl, Erich Heckel und Karl Schmidt-Rottluff die Künstlergruppe Brücke. In den folgenden Jahren avancierte Kirch...

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.