Didier Pelat Books

L Observation en astrophysique

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This work offers a summary view of the tools and methods of astronomical observation as we move into the 21st century. This book is the new, fully revised, updated and expanded edition of Pierre Le...

Observational Astrophysics Astronomy and Astrophysics Library

By Pierre Lena, Francois Lebrun, Francois Mignard, Didier Pelat, Daniel Rouan

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Observational astrophysics

By Pierre Lena

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Observational astrophysics

By Pierre Lena

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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.