Peter Frey Books

The Aspen dayhiker
The Aspen dayhiker

By Ruth Frey

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Brasilien
Brasilien

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Amazonien
Amazonien

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Heimweh und Verbrechen
Heimweh und Verbrechen

By Peter Frey

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The Amazon
The Amazon

By Frey Peter

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Meienberg
Meienberg

By Peter Frey

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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.

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