Antonio Brack Egg Books

Birds of Peru

By Thomas S. Schulenberg, Antonio Brack Egg, Douglas F. Stotz, Daniel F. Lane, Theodore A. Parker III

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Peru--diez mil anos de domesticacion

By Antonio Brack Egg

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Sobre la domesticación de plantas y animales de los primeros grupos humanos que llegaron a América del Sur, el desarrollo de las posteriores civilizaciones en el plano de la agricultura y sobre el...

Frutas del Peru

By Antonio Brack Egg

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Peru

By Antonio Brack Egg

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Peru

By Antonio Brack Egg

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Se propone el manejo y uso racional de los infinitos recursos vivos que posee el territorio peruano, para aliviar la pobreza y generar actividades económicas de enorme impacto sobre las exportacion...

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.