Bak M, Girvin J P, Hambrecht F T, Kufta C V, Loeb G E, Schmidt E M
Laboratory of Neural Control, National Institute of Neurological Disorders & Stroke, National Institutes of Health, Bethesda, MD 20892.
Med Biol Eng Comput. 1990 May;28(3):257-9. doi: 10.1007/BF02442682.