Ortega, G Effect of zeitgeber intensity reduction on a simulated dual-oscillator human circadian system: classical and dynamic analysis. [electronic resource] - Chronobiology international Apr 1992 - 137-47 p. digital Publication Type: Journal Article ISSN: 0742-0528 Standard No.: 10.3109/07420529209064525 doi Subjects--Topical Terms: BiometryBody Temperature--physiologyCircadian Rhythm--physiologyFourier AnalysisHumansModels, BiologicalSleep--physiologyWakefulness--physiology