Friedrich Lutz Books

The Theory of Interest Sociology and Economics

By Friedrich Lutz

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The Theory of Interest

By Friedrich Lutz

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"This book contains a critical analysis of the main theories of interest which have been published since B̦hm-Bawerk. The last part of the book gives an account of the author's own theory. The first...

Theory of International Relations

By Friedrich Lutz, M. G. Forsyth

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Theory of International Relations

By Friedrich Lutz

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Theory of International Relations

By Friedrich Lutz

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Theory of Interest

By Friedrich Lutz

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Theory of Interest

By Friedrich Lutz

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Das Beratungsteam

By Friedrich Lutz

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Theory of International Relations

By Friedrich Lutz

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Theory of International Relations

By Friedrich Lutz

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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.