TY  - GEN
AU  - Duffy, M T
AU  - Zanzucchi, P J
AU  - Ham, W E
AU  - Corboy, J F
AU  - Cullen, GW
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1980-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.SP.400-62
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1980
TI  - Method to determine the quality of sapphire:
ER  -