Ingrid Hehmeyer Books

Antike Technologie

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Archaologische Berichte aus dem Yemen Bd.7 Antike Technologie Die sabaische Wasserwirtschaft von Marib

By Michael Schaloske

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A history of water engineering and management in Yemen

By Ingrid Hehmeyer

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"In A History of Water Engineering and Management in Yemen, Ingrid Hehmeyer describes the three-way relationship between water, land, and humans from ancient to medieval and premodern times. As ill...

Antike Technologie

By I. Hehmeyer

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A history of water engineering and management in Yemen

By Ingrid Hehmeyer

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Herbal medicine in Yemen

By Ingrid Hehmeyer, Anne Regourd

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Herbal medicine in Yemen

By Ingrid Hehmeyer, Anne Regourd

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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.