Number | Name | Date | Kind |
---|---|---|---|
3997853 | Morris et al. | Dec 1976 | |
4272733 | Walling et al. | Jun 1981 |
Entry |
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Solid-State Laser Engineering, W. Koechner, Springer-Verlag, _New York, (1976), pp. 32-39. |
Laser Crystals, A. A. Kaminskii, Springer-Verlag, New York, _(1981), p. 404. |