ISBN 9780990415237 books & textbook

Refractometers Made Easy: The "RIGHT-WAY" Guide to Using Gem Identification Tools (The Antoinette Matlins "RIGHT-WAY" Series to Using Gem Identification Tools)

Matlins PG FGA, Antoinette

GemStone Press /2014-06-17 Paperback / 26 Pages
isbn-10: 0990415236 / isbn-13: 9780990415237