Jorg Wingler Books

Kommentar Korperschaftsteuer KStG

By Christoph Bildstein, Daniel Mohr, Christine Hofmann, Oliver Fehrenbacher, Claus Jochimsen, Oliver Mattern, Ralf Kohlhepp, Thomas Moritz, Christine Marx, Lars Lawall, Ingo Nordmeyer, Marion Gohr, Felix Kessens, Daniel Troost, Brigitte Ellerbeck, Thomas Ramer, Steffen Doring, Jorg Wingler, Martin Pirner, Markus Helm, Anita Kiontke, Elke Sievert, Arne Schnitger LL.M., Dirk Nitzschke, Petra Behnisch, Thomas Brink, Ingrid Ronn, Holger Dallwitz, Andreas Benecke

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Gewerbesteuer GewStG

By Rainer Hartmann, Daniel Mohr, Klaus Buhrer, Humbert Lechner, Kilian Werner, Susanne Winter, Achim Bergemann, Jorg Wingler, Ralf Braunagel, Florian Holzerkopf, Renner Georg, Tobias Lessig, Kerstin Holst, Richard Markl

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Gewerbesteuer GewStG

By Klaus Buhrer, Achim Bergemann, Jorg Wingler, Ralf Braunagel, Florian Holzerkopf

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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.