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Some examples of dilution refrigerators
An Advanced Dilution Refrigerator Designed for the New Lancaster Microkelvin Facility, D. J. Cousins, S. N. Fisher, A. M. Guenault, R. P. Haley, I. E. Miller, G. R. Pickett, G. N. Plenderleith, P. Skyba, P. Y. A. Thibault, and M. G. Ward, J. of Low Temp. Phys. 114, 547 (1999)
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