Stefan Jackowski Books

Algebraic Topology. Poznan 1989 Proceedings of a Conference held in Poznan Poland June 22 27 1989 Lecture Notes in Mathematics English and French Edition

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As part of the scientific activity in connection with the 70th birthday of the Adam Mickiewicz University in Poznan, an international conference on algebraic topology was held. In the resulting pro...

Geometric and algebraic topology

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Transformation Groups Poznan 1985

By Krzysztof Pawalowski, Stefan Jackowski

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Transformation Groups Poznan 1985

By Krzysztof Pawalowski, Stefan Jackowski

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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.