- Data from: Shifting milestones of natural sciences: the ancient Egyptian discovery of Algol's period confirmed(2016-01-26) Jetsu, Lauri; Porceddu, Sebastian; University of Helsinki - Jetsu, Lauri; University of Helsinki - Porceddu, Sebastian
- Discrete Chi-Square method for detecting many signals(2020-02-10) Jetsu, Lauri; Deparment of Physics, University of Helsinki, Finland - Jetsu, Lauri