Erwin J. Haeberle Books

Die Sexualitat Des Menschen Handbuch Und Atlas Das Standardwerk

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The Sex Atlas

By Erwin J. Haeberle

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The sex atlas

By Erwin J. Haeberle

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Bisexualities

By Germany International Berlin Conference For Sexology 1990 Berlin

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This comprehensive scholarly treatment of bisexuality - the first of its kind - gathers together in one volume original contributions by leading sex researchers from North America, Europe, Australi...

The sex atlas

By Erwin J. Haeberle

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The sex atlas

By Erwin J. Haeberle

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The sex atlas

By Erwin J. Haeberle

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Die Sexuality Des Menschen

By Erwin J. Haeberle

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Anfange der Sexualwissenschaft

By Erwin J. Haeberle

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Sexualitaten in unserer Gesellschaft

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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.