Number | Name | Date | Kind |
---|---|---|---|
3828329 | Fischer et al. | Aug 1974 | |
4007447 | Bobeck | Feb 1977 |
Entry |
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IEEE Transactions on Magnetics-vol. Mag. 15, No. 5, Sep. 1979, pp. 1323-1325. |
IBM Technical Disclosure Bulletin-vol. 23, No. 5, Oct. 1980, p. 2112. |
Journal of Applied Physics--vol. 48 (12) Dec. 1977, pp. 5201-5208. |