Fritz Feigl Books

Fritz Feigl, 1891-1971: Notizen und Dokumente zu einer wissenschaftlichen Biographie

By Gerhard Oberkofler

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Spot Tests in Organic Analysis

By V. Anger, F. Feigl, Feigl Fritz

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Spot Tests In Inorganic Analysis

By Feigl, Fritz, Fritz Feigl, V. Anger, F. Feigl

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Many years have passed since the last edition of the present book was published. The discovery during this period of many new reagents has resulted in a vast accumulation of data on their applicati...

Allgemeine Methoden der Pflanzenanalyse

By Hans Jurgen Linser, Hans Kleinmann, G. Kogel, E. Keyssner, P. Hirsch, H. Lieb, R. Brieger, C. Weygand, J. Matula, L. Michaelis, G. Klein, Fritz Feigl

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Spot Tests in Organic Analysis

By V. Anger, F. Feigl

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Spot Tests In Inorganic Analysis

By Fritz Feigl, V. Anger, F. Feigl

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Allgemeine Methoden der Pflanzenanalyse

By Hans Kleinmann, P. Hirsch, R. Brieger, G. Klein, Fritz Feigl

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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.