Horst D. Schulz Books

Progress in Hydrogeochemistry

By F. Frimmel, P. Hirsch, G. Matthess, Horst D. Schulz

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Marine Geochemistry

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"Since 1980 a considerable amount of scientific research dealing with geochemical processes in marine sediments has been carried out. This textbook summarizes the state of the art in this field of...

Prospecciones geo-arqueologicas en las costas de Ibiza

By Horst D. Schulz

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DFG Geochemical Processes

By Horst D. Schulz, Georg Teutsch

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Progress in Hydrogeochemistry

By F. Frimmel, H.D. Schulz, P. Hirsch, G. Matthess, H.E. Usdowski

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Marine Geochemistry

By Matthias Zabel, Horst D. Schulz

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Progress in Hydrogeochemistry

By Georg Matthess, Fritz Frimmel, D. Maronde, Horst D. Schulz, Peter Hirsch

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Progress in Hydrogeochemistry

By Georg Matthess, Fritz Frimmel, Horst D. Schulz, Hans Eberhard Usdowski, Peter Hirsch

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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.