David W. Townsend Books

Clinical PET-CT in Radiology: Integrated Imaging in Oncology

By David W. Townsend, Paul Shreve

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The theory and practice of 3D PET

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A User Guide on Process Integration for the Efficient Use of Energy

By D. Boland, David W. Townsend, B. Linnhoff

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Positron Emission Tomography

By David W. Townsend, Peter E. Valk, Dale L. Bailey, Dominique Delbeke, Michael N. Maisey

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Text provides a comprehensive reference covering the basic science and clinical applications of positron emission tomography (PET). Discusses PET applications in oncology, the central nervous syste...

Positron Emission Tomography

By David W. Townsend, Peter E. Valk, Dale L. Bailey, Michael N. Maisey

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Image reconstruction methods in positron tomography

By Townsend David W. Ph.D.

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Clinical PET CT in Radiology

By David W. Townsend, Paul Shreve

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Oceanography and marine biology

By David W. Townsend

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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.