Peter Petersen Books

Sternsekunden der Musik in Kompositionen aus funf Jahrhunderten

By Peter Petersen

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Fokus Deutsches Miserere von Paul Dessau und Bertolt Brecht

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Musiktheater im Exil der NS Zeit

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Riemannian Geometry Graduate Texts in Mathematics

By Peter Petersen

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Comparison Geometry

By Peter Petersen, Karsten Grove

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Comparison Geometry asks: What can we say about a Riemannian manifold if we know a (lower or upper) bound for its curvature, and perhaps something about its topology? This volume, arising from a 1...

This book is a compendium of survey lectures presented at a conference on Riemannian Geometry sponsored by The Fields Institute for Research in Mathematical Sciences (Waterloo, Canada) in August 19...

Riemannian Geometry

By Peter Petersen

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Linear Algebra

By Peter Petersen

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Linear Algebra

By Peter Petersen

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Literature and Politics in Central Europe

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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.