Richard Wolbers Books

Solvent Gels for the Cleaning of Works of Art

By David Miller Undifferentiated, Richard Wolbers, Herant Khanjian, Dusan Stulik, Narayan Khandekar, W. Christian Petersen, Janice Carlson

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Cleaning painted surfaces

By Richard Wolbers

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Explores the use of water or water-containing preparations in removing soils from varnished or unvarnished paint surfaces.

Le nettoyage des surfaces peintes

By Richard Wolbers

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Gels in the Conservation of Art

By Richard Wolbers, Joyce Townsend, Lora Angelova, Bronwyn Ormsby

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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.