Frank Schafer Books

Aqualog Extra
Aqualog Extra

By Frank Schafer

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Kampffische
Kampffische

By Frank Schafer

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Brackwasserfische Alles uber Arten Pflege und Zucht
AQUALOG Special Brackish Water Fishes
Hear em all
Hear em all

By Frank Schafer

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Eighty music journalists, authors, musicians and fans contribute essays about their favorite heavy metal albums.

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Notes on a dirty old man
Notes on a dirty old man

By Frank Schafer

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Lichtenberg-ABC
Lichtenberg-ABC

By Schafer Frank.

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Heavy Metal. Geschichten Bands und Platten.
1966
1966

By Frank Schafer

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Das Campus Worterbuch.

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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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