Serge Daan and Eberhard Gwinner

Foreword
J Biol Rhythms 1989 4: 3-4. [PDF]  

Michael Menaker

Jürgen Aschoff: An Appreciation
J Biol Rhythms 1989 4: 5-8. [PDF]  

Benjamin Rusak

The Mammalian Circadian System: Models and Physiology
J Biol Rhythms 1989 4: 9-22. [Abstract] [PDF] [References]  

Fred W. Turek

Effects of Stimulated Physical Activity on the Circadian Pacemaker of Vertebrates 1
J Biol Rhythms 1989 4: 23-35. [Abstract] [PDF] [References]  

Alexander A. Borbély, Peter Achermann, Lorenz Trachsel, and Irene Tobler

Sleep Initiation and Initial Sleep Intensity: Interactions of Homeostatic and Circadian Mechanisms
J Biol Rhythms 1989 4: 37-48. [Abstract] [PDF] [References]  

Rütger A. Wever

Light Effects on Human Circadian Rhythms: A Review of Recent Andechs Experiments
J Biol Rhythms 1989 4: 49-73. [PDF] [References]  

Helena Illnerová, Jirí Vaneck, and Klaus Hoffmann

Different Mechanisms of Phase Delays and Phase Advances of the Circadian Rhythm in Rat Pineal N-Acetyltransferase Activity
J Biol Rhythms 1989 4: 75-88. [Abstract] [PDF] [References]  

Till Roenneberg, Grant N. Colfax, and J. Woodland Hastings

A Circadian Rhythm of Population Behavior in Gonyaulax polyedra
J Biol Rhythms 1989 4: 89-104. [Abstract] [PDF] [References]  

Colin S. Pittendrigh and Tsuguhiko Takamura

Latitudinal Clines in the Properties of a Circadian Pacemaker
J Biol Rhythms 1989 4: 105-123. [Abstract] [PDF] [References]  

Eberhard Gwinner

Photoperiod as a Modifying and Limiting Factor in the Expression of Avian Circannual Rhythms
J Biol Rhythms 1989 4: 125-138. [Abstract] [PDF] [References]  

Gerhard Heldmaier, Stephan Steinlechner, Thomas Ruf, Herbert Wiesinger, and Martin Klingenspor

Photoperiod and Thermoregulation in Vertebrates: Body Temperature Rhythms and Thermogenic Acclimation
J Biol Rhythms 1989 4: 139-153. [Abstract] [PDF] [References]  

Serge Daan, Dirkjan Masman, Arjen Strijkstra, and Simon Verhulst

Intraspecific Allometry of Basal Metabolic Rate: Relations with Body Size, Temperature, Composition, and Circadian Phase in the Kestrel, Falco tinnunculus
J Biol Rhythms 1989 4: 155-171. [Abstract] [PDF] [References]  

Dietrich Neumann

Circadian Components of Semilunar and Lunar Timing Mechanisms
J Biol Rhythms 1989 4: 173-182. [Abstract] [PDF] [References]  

J.T. Enright

The Parallactic View, Statistical Testing, and Circular Reasoning
J Biol Rhythms 1989 4: 183-192. [Abstract] [PDF] [References]  

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