Gerald Poch Books

Combined Effects of Drugs and Toxic Agents: Modern Evaluation in Theory and Practice

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Combined Effects Of Drugs And Toxic Agents: Modern Evaluation In Theory And Practice

By Kathy C. Angel, Gerald Poch, Earl J. Brewer Jr. MD, Earl J. Brewer, Kathy Cochran Angel, Earl J. Brewer, Kathy Cochran Angel, Earl J. Brewer Jr. MD, Kathy C. Angel

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Exploding the myth that there is nothing an individual can do but get used to it and dispelling the fear of the unknown surrounding arthritis, this authoritative new edition explains the various ty...

Environmental Standards

By Kerstin Wuttke, Gerald Poch Ecka, Christian Streffer

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Environmental Standards

By Josef Bucker, Carl Friedrich Gethmann, Dieter Cansier, Adrienne Cansier, Christian Streffer

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Combined Effects of Drugs and Toxic Agents

By Gerald Poch

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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.