Ortrud R. Oellermann Books

Applied and Algorithmic Graph Theory

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Graph Theory Combinatorics and Applications

By G. Chartrand, Ortrud R. Oellermann, Yousef Alavi, International Conference On The Theory And Applications Of Graphs 6th 1988 Western Michigan University

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Topics in structural graph theory

By Lowell W. Beineke, Robin J. Wilson

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"The rapidly expanding area of structural graph theory uses ideas of connectivity to explore various aspects of graph theory and vice versa. It has links with other areas of mathematics, such as de...

Topics in Structural Graph Theory

By Robin J. Wilson, Lowell W. Beineke, Ortrud R. Oellermann

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Topics in Structural Graph Theory

By Lowell W. Beineke, Robin J. Wilson, Ortrud R. Oellermann

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Topics in Structural Graph Theory

By Robin J. Wilson, Lowell W. Beineke, Ortrud R. Oellermann

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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.