Jean Margat Books

Hydrogeological Maps

By W. Struckmeier, Wilhelm F. Struckheimer, Jean Margat

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This book is composed of two parts: Part 1 contains a methodological guide on the preparation of hydrogeological maps: Part II is an international standard legend with a catalogue of colors, signs...

Le mythe de la Joconde

By Jean F. Margat

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Mediterranean Basin Water Atlas Earth Sciences

By Jean Margat

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Groundwater Around the World

By Jac Van Der Gun, Jean Margat

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Groundwater Around the World

By Jac Van Der Gun, Jean Margat

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Groundwater Around the World

By Jac Van Der Gun, Jean Margat

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Groundwater Around the World

By Jac Van Der Gun, Jean Margat

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Groundwater Around the World

By Jac Van Der Gun, Jean Margat

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Groundwater Around The World A Geographic Synopsis

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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.