1. Directive on working time;Commission of the European Communities;Off J Eur Commun,1993
2. Catastrophes, sleep and public policy;Mitler;Sleep,1988
3. Circadian performance rhythms: some practical and theoretical implications;Folkard;Phil Trans R Soc Lond,1990
4. Shift work and health: a critical review of the literature;Harrington,1978
5. Shiftwork, health and safety: an overview of the scientific literature 1978-1990;Waterhouse,1992