Gems & gemology.

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
OCLC:2447141
Awduron Corfforaethol: Gemological Institute of America, American Gem Society
Iaith:English
Cyhoeddwyd: Santa Monica [etc.] Gemological Institute of America.
Pynciau:
Eitemau Perthynol:Online version: Gems & gemology
Parhawyd gan: Gems & gemology (Gemological Institute of America : 1967)
Fformat:

Cyfresol

Note that CRL will digitize material from the collection when copyright allows.

Disgrifiad
Cyhoeddwyd:Began publication with 1934 issue.
Disgrifiad Corfforoll:v. ill. (part col.), ports. 22 cm.
Publication Frequency:Quarterly.
ISSN:0016-626X