Felix Unger Books

Coronary Artery Surgery in the Nineties

By Felix Unger

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The humanist principle

By Felix Unger

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"These are some of the urgent questions posed by this stimulating and wide-ranging new colloquy. Bringing together a wealth of wisdom and experience in medical science and in Buddhist thought and e...

The humanist principle

By Felix Unger

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The humanist principle

By Felix Unger

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Health is Wealth

By Felix Unger

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Assisted Circulation 2

By Felix Unger

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Interventionen am Herzen

By Felix Unger, Hubert Morl, Hans A. Dieterich

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Assisted Circulation 3

By Felix Unger

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Assisted Circulation 3 is an authoritative review of the progress which has been achieved in the last 5 years since the appearance of Assisted Circulation 2 in 1984. The present book highlights the...

Assisted Circulation 3

By Felix Unger

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Assisted Circulation 3

By Felix Unger

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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.