Helmut Reimer Books

Kommunikationssicherheit im Zeichen des Internet

By Andreas Pfitzmann, Alexander Robnagel, Karl Rihaczek, Helmut Reimer, Patrick Horster

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Securing Electronic Business Processes

By Helmut Reimer, Norbert Pohlmann, Paulus Sachar, Information Security Solutions Europe Conference 2003 Vienna Austria

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ISSE 2015

By Wolfgang Schneider, Helmut Reimer, Norbert Pohlmann

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ISSE 2014 Securing Electronic Business Processes

By Wolfgang Schneider, Helmut Reimer, Norbert Pohlmann

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This book presents the most interesting talks given at ISSE 2014 – the forum for the interdisciplinary discussion of how to adequately secure electronic business processes. The topics include: - Tr...

ISSE 2005 Securing Electronic Business Processes

By Helmut Reimer, Norbert Pohlmann, Paulus Sachar

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ISSE 2006 Securing Electronic Business Processes

By Helmut Reimer, Sachar Paulus, Norbert Pohlmann

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Trusted computing

By Norbert Pohlmann

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ISSE 2009 Securing Electronic Business Processes

By Norbert Pohlmann

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ISSE 2011 Securing Electronic Business Processes

By Wolfgang Schneider, Helmut Reimer, Norbert Pohlmann

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Securing Electronic Business Processes

By Helmut Reimer, Sachar Paulus, Norbert Pohlmann

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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.