Paul Geyer Books

Das Paradox
Das Paradox

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Modernitat wider Willen
Modernitat wider Willen

By Paul Geyer

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Itinaria Hierosolymitana
Itinaria Hierosolymitana

By Paul Geyer

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Das 19. Jahrhundert
Das 19. Jahrhundert

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Proteus im Spiegel
Proteus im Spiegel

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Couple s Checklist
Couple s Checklist

By Paul Geyer, Linda Geyer

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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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