Entrop, I., Cardozo, N. J., Jaspers, R., & Finken, K. H. (2000). Scale size of magnetic turbulence in tokamaks probed with 30-MeV electrons. Physical Review Letters, 84, 3606-3609. https://doi.org/10.1103/PhysRevLett.84.3606 (Original work published 2000)
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