Development of an automatic sleep EEG analysis and staging system. - Michael W. Vannier; E. Othmer; Siegfried Othmer; P. Fishman (AFIPS National Computer Conference, 1981)

Implementation of Virtual Reality in EEG Biofeedback. - Siegfried Othmer; David A. Kaiser (Cyberpsychology Behav. Soc. Netw., 2000)