Robert J. Koestler Books

Art, Biology, and Conservation: Biodeterioration of Works of Art

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Art Biology and Conservation

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In June of 2002, nearly forty scientists and conservators presented their latest findings on the interactions of microbes and art and offered approaches to counter the effects of biodeterioration a...

Studies in Early Egyptian Glass

By R. H. Brill, M. T. Wypyski, Christine Lilyquist, Robert J. Koestler, H. Shirahata

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Conservation Science

By B. Des Barker, Paul Garside, Paul Wyeth, Robert J. Koestler, Margaret Rule

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Biodeterioration of cultural property

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Biocolonization of Stone

By Christopher McNamara, Smithsonian Institution Scholarly Press, Robert J. Koestler, A. Elena Charola

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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.