Enright J. T. Timing of sleep and wakefulness on the substructure and dynamics of the circadian pacemakers underlying the wake-sleep cycle - - Berlin Springer-Verlag 1980 - 263 p. 24 cm. - Studies of brain function; v. 3 . Sleep, Wakefulness, Circadian Rhythm ISBN: 3540096671 Subjects--Topical Terms: Circadian RhythmWakefulnessSleep Dewey Class. No.: WL300 / ENR