title: The Colin S. Pittendrigh Lecture. Colin Pittendrigh, Jürgen Aschoff, and the natural entrainment of circadian systems.
authors.affiliation: Zoological Laboratory, University of Groningen, Haren, The Netherlands.
authors.forename: S
authors.initials: S
authors.lastname: Daan
mesh_terms: D000818:Animals; D002940:Circadian Rhythm / Q000502:physiology*; D005858:Germany; D049673:History, 20th Century; D010827:Physiology / Q000266:history