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© 1991 American Institute of Physics.
1991
American Institute of Physics
Francis Cole, Arlene Lennox, Lionel Cohen, Ivan Rosenberg, Franca Kuchnir, Paul DeLuca; Miguel Awschalom. Physics Today 1 February 1991; 44 (2): 116–117. https://doi.org/10.1063/1.2810008
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