In the matter of certain synthetic gemstones
Subtitle: investigation no. 337-TA-50.
Series: USITC publication -- 957.
Publisher: U.S. International Trade Commission
Published: 1979
Place of publication: Washington, D.C
Language: eng
Subjects: Precious stones, Artificial.
Other titles: Certain synthetic gemstones.
Notes: Cover title.

"March 1979."

Includes bibliographical references.