Elfriede Aulhorn Books

Therapie In Der Augenheilkunde

By H. Pau, H. J. Thiel, O. -E Lund, W. Böke, H. Neubauer, D. Friedburg, E. Aulhorn, J. Wollensak, A. Nover, R. Witmer, W. Leydhecker, Professor Dr. Elfriede Aulhorn, Professor Dr. Wilhelm Böke, Professor Dr. Dieter Friedburg, Professor Dr.Dr.H.C. Wolfgang Leydhecker, Professor Dr. Otto-Erich Lund, Professor Dr. Hellmut Neubauer, Professor Dr. Arno Nover, Professor Dr. Hans Pau, Professor Dr. Hans-Jürgen Thiel, Professor Dr. Rudolf Witmer, Professor Dr. Josef Wollensak (Auth.), Professor Dr. Med. Hans Pau (Eds.), Elfriede Aulhorn

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Front Matter....Pages I-XXI Refraktionsstörungen....Pages 1-24 Asthenopien....Pages 25-25 Störungen des Farbensehens....Pages 26-28 Störungen des Nacht- und Dämmerungssehens....Pages 29-31 Blendung...

Die Ophthalmologischen Untersuchungsmethoden Bd. 2. / Unter Mitw. Von ...

By Elfriede Aulhorn

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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.