Number | Date | Country | Kind |
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MI93A1793 | Aug 1993 | ITX |
Number | Name | Date | Kind |
---|---|---|---|
4520123 | Hall | May 1985 | |
4603185 | Benton et al. | Jul 1986 | |
5153157 | Hlatky et al. | Oct 1992 |
Entry |
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Wu, et al., "CP/MAS .sup.89 Y NMR Spectroscopy: A Facile Method for Characterizing Yttrium-Containing", Inorg. Chem. vol. 32, pp. 1130-1134, 1993. |