Charles A. Willis Books

Health physics operational monitoring

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Health physics operational monitoring

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Health physics operational monitoring

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Health physics operational monitoring.

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Health physics operational monitoring.

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A historical album of Georgia

By Charles Wills

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A historical album of Michigan

By Charles Wills

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Surveys the history of Michigan, from the time of its first settlers through its industrial, political, and social development to current economic and environmental concerns. Gazetteer includes map...

A historical album of Georgia

By Charles Wills

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A historical album of Michigan

By Charles Wills

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Health physics annotated bibliography

By Charles A. 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.