Gustavo E. Romero Books

Multiwavelength Approach to Unidentified Gamma Ray Sources

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Scientific Philosophy

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This Textbook Presents The Basics Of Philosophy That Are Necessary For The Student And Researcher In Science In Order To Better Understand Scientific Work. The Approach Is Not Historical But Format...

Introduction to Black Hole Astrophysics

By Gustavo E. Romero, Gabriela S. Vila

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Introduccion a la astrofisica relativista

By Josep Maria Paredes Poy, Gustavo Esteban Romero

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Elogio del cientificismo

By Andres Carmona Campo, Carlos Elias, Telmo Pievani, Dominique Raynaud, Gustavo E. Romero, Eustoquio Molina, Peter Schlotter, Victor Javier Sanz Larrinaga, Gabriel Andrade, Mario Bunge Muser, Miguel Angel Quintanilla Fisac

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La naturaleza del tiempo

By Alejandro Agostinelli, Gustavo E. Romero, Mario Bunge, Sanchez Mujica Silvio

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Multiwavelength Approach to Unidentified Gamma Ray Sources

By Gustavo E. Romero, K.S. Cheng

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Jets at all scales

By International Astronomical Union. Symposium

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"Research on all aspects of jet physics has made dramatic progress in recent years. Numerical simulations, semi-analytical models, and observations across the entire electromagnetic spectrum have s...

Cosmic Gamma Ray Sources

By K. S. Cheng, Gustavo E. Romero

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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.