Ulrich Lehmann Books

Tigersprung: Fashion in Modernity

By Ulrich Lehmann

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Tigersprung: Fashion in Modernity

By Ulrich Lehmann

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"Far from being a frivolous subject, fashion is the supreme expression of the contemporary spirit. Sartorial elements embody the pace and rhythm of modern society and culture as few other ideas or...

The Ammonites: Their Life and Their World

By Ulrich Lehmann, Ulrich, Hillmer G. Lehmann

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Paleantologisches Woerterbuch

By Ulrich Lehmann

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Ammoniten

By Ulrich Lehmann

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Palaontologisches Worterbuch

By Ulrich Lehmann

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Wirbellose Tiere der Vorzeit. Leitfaden der systematischen Palaontologie der Invertebraten

By Ulrich Lehmann

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Wirbellose Tiere der Vorzeit Leitfaden der systematischen Palaontologie der Invertebraten Mit mehr als 1000 Einzeldarstellungen

By Ulrich Lehmann U. Gero Hillmer

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Ammonoideen

By Ulrich Lehmann

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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.