• Author: Aschoff, J. M. Fatranska H. Giedke P. Doerr D. Stamm H. Wisser
• Title: Human circadian rhythms in continuous darkness: entrainment by social cues
• Year: 1971
• Reference Type: Journal Article
• Journal/Book Title: Science
• Volume: 171
• Issue: 967
• Pages: 213-5
• Date of Publication: Monday, 20 December 1971