1. Aschoff, J. 1960. Exogenous and endogenous components in circadian rhythms. Cold Springs Harbor Symp. Quant. Biol., 25:11–28.
2. Aschoff, J. 1964. Die Tagesperiodik licht-und dunkelaktiver Tiere. Rev. Suisse Zool., 71:528–558.
3. Aschoff, J. 1965. Response curves in circadian periodicity. Pp. 95–111, in Circadian clocks. (J. Aschoff. ed.). North-Holland. Amsterdam. 479 pp.
4. Aschoff, J., and R. Wever. 1962. Beginn und Ende der täglichen Aktivität freilebender Vögel. J. Omithol., 103:2–27.
5. Aschoff, J. K. Klotter. and R. Wever. 1965. Circadian vocabulary. Pp. x–xix. in Circadian clocks. (J. Aschoff. ed.). North-Holland. Amsterdam. 479 pp.