Heinz Widauer Books

Peter Wechsler

By Vera Hausdorff, Marietta Mautner Markhof, Heinz Widauer, Peter Wechsler, Bernhard Von Waldkirch

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The Swiss artist Peter Wechsler (born 1951), who lives and works in Vienna, is one the most outstanding contemporary graphic artists. His landscape paintings, which are reminiscent of those of the...

Zwischentone

By Susanne Berchtold, Klaus Albrecht Schroder, Heinz Widauer, Petra Joos

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Ways of pointillism

By Lisette Pelsers, Klaus Albrecht Schroder, Heinz Widauer, Michael Baumgartner

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With their pioneering method using dots, the artists of Pointillism no longer directed their gaze only towards the imitation of reality. In their paintings between 1886 and 1930 their dots, colour...

Ways of pointillism

By Klaus Albrecht Schroder, Michael Baumgartner, Lisette Pelsers, Heinz Widauer

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With their pioneering method using dots, the artists of Pointillism no longer directed their gaze only towards the imitation of reality. In their paintings between 1886 and 1930 their dots, colour...

Ernst Schurtenberger 1931 2006

By Heinz Widauer

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Lyonel Feininger

By Butcher David, Annette Haudiquet, Heinz Widauer

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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.