1. Functional electrotherapy: stimulation of the peroneal nerve synchronized with the swing phase of the gait of hemiplegic patients;Liberson;Arch Phys Med Rehabil,1961
2. Offner FF, Liberson WT. Method of muscular stimulation in human beings to aid in walking. 1967. Patent: US 3,344,792.
3. Electrical inhibition of pain by stimulation of the dorsal columns: preliminary clinical report;Shealy;Anesth Analg,1967
4. Brain, Nerves, Muscles and Electricity: My Life in Science;Liberson,1999
5. Electronic walking aids for patients with peroneal palsy;Vodovnik;Proc World Symp Med Electron,1966