1. Comparative physiology: diurnal rhythms;Aschoff;A. Rev. Physiol.,1963
2. Circadian Clocks;Aschoff,1965
3. Circadian vocabulary, a recommended terminology with definitions;Aschoff,1965
4. Circannual rhythms in birds with different migratory habits;Berthold,1974
5. Circannual rhythmicity in invertebrates;Brock,1974