Sweeney, B M A physiological model for circadian rhythms derived from the acetabularia rhythm paradoxes. [electronic resource] - International journal of chronobiology 1974 - 25-33 p. digital Publication Type: Journal Article ISSN: 0300-9998 Subjects--Topical Terms: Acetabularia--drug effectsBiological Transport, ActiveCell NucleusChlorophyta--physiologyCircadian RhythmDactinomycin--pharmacologyDiffusionFeedbackLightModels, BiologicalOrganoidsPhotosynthesis