Peter Weyer Books

Endocrine Disruptors And Pharmaceuticals In Drinking Water

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Improved Exposure Assessment On Existing Cancer Studies

By Mariana Hildensheim, Stuart Krasner, Gary L. Amy, Will King, Gunther Craun, Peter Weyer, Nicole Graziano, Kenneth Cantor, Gary Amy

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The objective of this study was to reanalyze two well-conducted, peer-reviewed epidemiology studies in Iowa and Ontario that reported an increased risk of bladder cancer associated with chlorinated...

Alles Über Die Mercedes-Benz-C-Klasse

By Christof Vieweg, Peter Weyer

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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.