Molecular basis of the biological clock: induction of carotenoides may be related to the clock reseting in the photosynthetic dinoflagellate - Di Mascio, Paolo; Hollnagel, H C; Speranca, M; Marinelli, D; Colepicolo, Pio (International Conference Antioxidant Vitamins and Beta-Carotene in Disease Prevention, 1994)