1. A theory of hearing;Rutherford;J Anat,1886
2. Muscle sounds during voluntary and stimulated contractions of the human adductor pollicis muscles;Stokes;J Appl Physiol,1992
3. Elektrophysiologie menschlicher Muskeln;Piper,1912
4. Neurophysiology on man;Merton;J Neurol Neurosurg Psychiatry,1981
5. The tetanic nature of the voluntary contraction in man;Hill;J Physiol,1921