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4316420 | Kochey | Feb 1982 | |
4629413 | Michelson et al. | Dec 1986 | |
4669398 | Takahashi et al. | Jun 1987 | |
4739713 | Vier et al. | Apr 1988 | |
4748919 | Campobenedetto et al. | Jun 1988 | |
5020454 | Hellewell et al. | Jun 1991 | |
5299929 | Yap | Apr 1994 | |
5343820 | Marion | Sep 1994 |
Number | Date | Country |
---|---|---|
0275516 | Jan 1990 | DEX |
0000906 | Jan 1981 | JPX |
Entry |
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Zeldovich, Ya: Acta Physicohin; 21; 577. |