Adalberto Luis Val Books

Fish Physiology: The Physiology of Tropical Fishes, Volume 21

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Universidade ciencia e pesquisa na Amazonia

By Antonio Alves Melo Filho, Fabio Luiz Wankler, Adalberto Luis Val

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Fish Physiology

By Adalberto Luis Val, David J. Randall, Vera Maria Fonseca De Almeida E Val

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Fishes of the Amazon and Their Environment: Physiological and Biochemical Aspects

By Adalberto Luis Val, V. M. F. De Almeida Val

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Fishes of the Amazon and their environment

By Adalberto Luis Val

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This book offers a concise view of the interaction of the Amazonian fishes with their environment. The sequence drives the reader from the formation of the Amazon basin and its relationship with fi...

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.