1. Suppression of Nocturnal Plasma Melatonin and 6-Sulphatoxymelatonin by Bright and Dim Light in Man
2. , , , (1996): Lighting the graveyard ghift: The influence of a daylight-simulating skylight on the task performance and mood of night-shift workers. Proc CIBSE Nat Ltg Conf, Bath.
3. Dose-response relationship between light irradiance and the suppression of plasma melatonin in human volunteers
4. Committee on Science and Technology of the US House of Representatives (1984): “Biological Clocks and Shift Work Scheduling (29-312 O-84-3).” Washington, DC: US Government Printing Office.
5. , (1994): “Status Report on Potential Human Health Effects Associated With Power Frequency Electric and Magnetic Fields.” Philadelphia: Information Ventures, Inc.