Olson, D. F. (1973). Stone grinding and polishing : make your own gems / by D.F. Olson: Make your own gems. Sterling.
Chicago Edition CitationOlson, D. F. Stone Grinding and Polishing : Make Your Own Gems / by D.F. Olson: Make Your Own Gems. Sterling, 1973.
MLA Edition CitationOlson, D. F. Stone Grinding and Polishing : Make Your Own Gems / by D.F. Olson: Make Your Own Gems. Sterling, 1973.
Warning: These citations may not always be 100% accurate.