Kai Erik Peiponen Books

"This book presents the current state of knowledge in the field of terahertz spectroscopy, providing a comprehensive source of information for beginners and experienced researchers alike whose inte...

UV Visible Reflection Spectroscopy of Liquids

By Kai Erik Peiponen, Jukka A. Raty, Toshimitsu Asakura

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Kramers Kronig Relations in Optical Materials Research

By Valerio Lucarini, Erik M. Vartiainen, Kai Erik Peiponen, Jarkko J. Saarinen

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Optical Measurement Techniques

By Kai Erik Peiponen, Alexander V. Priezzhev, Risto Myllyla

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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.