Ivanio Puerari Books

Toward a New Millennium in Galaxy Morphology

By Ivanio Puerari, David L. Block, Alan Stockton, DeWet Ferreira

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South Africa - a land of paradigm shifts. A land where we are willing to leave behind the old, to bravely accept the new. What do we need to exit the dark ages in the morphology of galaxies? How pr...

Penetrating Bars through Masks of Cosmic Dust

By Ivanio Puerari, R. Groess, David L. Block, K. C. Freeman, Elizabeth K. Block

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Penetrating Bars Through Masks of Cosmic Dust

By Ivanio Puerari, R. Groess, David L. Block, K. C. Freeman, Elizabeth K. Block

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Galaxies and Their Masks

By Ivanio Puerari, David L. Block, Kenneth C. Freeman

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Galaxies and Their Masks

By Ivanio Puerari, David L. Block, Kenneth C. Freeman

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Toward a New Millennium in Galaxy Morphology

By Ivanio Puerari, David L. Block, Dewet Ferreira, Alan Stockton

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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.