J. Zahradnik Books

Der Kosmos-Insektenfuhrer

By Jiri Zahradnik

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GUIA BASICA DE LOS INSECTOS DE EUROPA

By F. SEVERA, J. ZAHRADNIK

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Chemical Reactors for Gas-Liquid Systems

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De grote encyclopedie der insekten

By J. Zahradnik

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Informatie in woord en beeld over in Europa voorkomende insektensoorten. Met hulp van kleurenfoto's en zwart-witte en gekleurde tekeningen wordt informatie gegeven over in Europa voorkomende insek...

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.