1. The circadian covariation of fatigue and urinary melatonin;Akerstedt;Biol. Psychiatry,1982
2. A 3 min reasoning test based on grammatical transformation;Baddeley;Psychon. Sci.,1968
3. The immediate effect of bright and dim light on body temperature;Badia;Sleep Res.,1990
4. Psychophysiological and behavioral effects of bright and dim light;Badia;Sleep Res.,1990
5. Landzeitregistrierung der Bewegungstivität. Anwendung in Forschung und Klinik;Borbely;Schweiz. Med. Wochenschr.,1981