Peter Widmer Books

Die Anthropologie Ernst Blochs

By Peter Widmer

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Eigenname und Seine Buchstaben

By Peter Widmer

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Jacques Lacan Wege zu seinem Werk.

By Michael Schmid, Hans Martin Lohmann, Peter Widmer, Hans Dieter Gondek, August Ruhs, Roger Hofmann

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Drei Zugangsweisen zur Welt bei Arthur Schopenhauer

By Peter Widmer

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Psychosen : eine Herausforderung fur die Psychoanalyse

By Peter Widmer

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Die Psychosen stellen die Psychoanalyse vor große Probleme, vor denen sie lange zurückgewichen ist. 14 Autoren, alle Mitglieder der lacanianisch orientierten Gruppierung »Assoziation für die Freuds...

Angst

By Peter Widmer

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Metamorphosen des Signifikanten

By Peter Widmer

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Psychosen eine Herausforderung fur die Psychoanalyse

By Peter Widmer

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Der Eigenname und seine Buchstaben

By Peter Widmer

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Eigenname und Seine Buchstaben

By Peter Widmer

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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.