• Author: Griffiths, P. A. S. Folkard C. Bojkowski J. English J. Arendt
• Title: Persistent 24-h variations of urinary 6-hydroxy melatonin sulphate and cortisol in Antarctica
• Year: 1986
• Reference Type: Journal Article
• Journal/Book Title: Experientia
• Volume: 42
• Issue: 4
• Pages: 430-2
• Date of Publication: Saturday, 20 December 1986