A status report on gemstones from Afghanistan / by Gary W. Bowersox

Bowersox, W. Gary.
1985
p. 192-204 : ill. ; 29 cm.
Precious stones – Afghanistan.
Pamphlet QE 392.5 .A3 .B69 /1985
16213
Published in: Gems and gemology, winter 1985.
Include bibliographical references (p. 204).