George Dassios Books

Mathematical Methods in Scattering Theory and Biomedical Technology Research Notes in Mathematics Series

By Dimitrios I Fotiadis, Christos V Massalas, Kiriakie Kiriaki, George Dassios

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"The sphere is what might be called a perfect shape. Unfortunately nature is imperfect and many bodies are better represented by an ellipsoid. The theory of ellipsoidal harmonics, originated in the...

Ellipsoidal Harmonics

By George Dassios

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Ellipsoidal Harmonics

By George Dassios

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Ellipsoidal Harmonics

By George Dassios

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Ellipsoidal Harmonics

By George Dassios

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Electroencephalography and Magnetoencephalography

By Athanassios S. Fokas, George Dassios

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Electroencephalography and Magnetoencephalography

By Athanassios S. Fokas, George Dassios

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Electroencephalography and Magnetoencephalography

By Athanassios S. Fokas, George Dassios

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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.