Nicholas J. Willis Books

FRANCES ELIZABETH WILLIS

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"Frances E. Willis was the first woman to make a career of the U.S. Foreign Service. She started at the bottom of the ladder as a Foreign Service Officer-Unclassified and ended up at the top as a C...

Bistatic radar

By Nicholas J. Willis

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Bistatic radar

By Nicholas J. Willis

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Bistatic Radar

By Nicholas J. Willis

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Advances in Bistatic Radar

By Nicholas J. Willis, Hugh Griffiths

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Design of Multi frequency CW Radars

By Mohinder Jankiraman

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Advances in Bistatic Radar

By Mark E. Davis, Nicholas J. Willis, Hugh Griffiths

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Bistatic Radar

By Nicholas J. Willis

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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.