Number | Date | Country | Kind |
---|---|---|---|
90 03739 | Mar 1990 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3909706 | Grescini et al. | Sep 1975 | |
4504812 | Moermond et al. | Mar 1985 | |
4546317 | Hinton | Oct 1985 | |
4734645 | Glenart et al. | Mar 1988 |
Number | Date | Country |
---|---|---|
0206931 | Dec 1986 | EPX |
3438702 | Apr 1986 | DEX |
Entry |
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K. Hirao et al., Journal of Geomagnetism and Geoelectricity, "Large Spherical Magnetic Shield Room", vol. 37, 1985, pp. 581-588. |