TY  - BOOK
AU  - Sofianides,Anna S.
ED  - American Museum of Natural History.
TI  - Gems & crystals : : from the American Museum of Natural History 
SN  - 0671687042
PY  - 1990///
CY  - New York, London, Toronto, Sydney, Tokyo, Singapore
PB  - Simon and Schuster
KW  - American Museum of Natural History Catalogs
KW  - Minerals Catalogs and collections
KW  - Precious stones
ER  -