Number | Date | Country | Kind |
---|---|---|---|
86 16652 | Nov 1986 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
2334393 | Dillon | Nov 1943 | |
2701335 | Sergeant et al. | Feb 1955 | |
2757335 | Bellugue | Jul 1956 | |
3387377 | Patton | Jun 1968 | |
3686563 | Walter | Aug 1972 | |
3820012 | Molyneux | Jun 1974 |
Entry |
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Journal of Physics E-Scientific Instruments, R. Hummervoll et al., vol. 13, 1980, pp. 931-936. |
IEEE Transactions on Magnetics, Mahgoub Mohed Ahmed Omer et al., vol. MAG-14, No. 1, Jan. 1978, pp. 17-21. |
Journal of Physics E-Scientific Instruments, G. Chiron et al., vol. 14, No. 8, Aug. 1981, pp. 977-980. |