1. Significance of circadian rhythms in aerospace operations;Klein;Neuilly sur Seine, France, AGARD,1980
2. Physiological changes underlying jet-lag;Arendt;BMJ,1982
3. Jet lag and sleepiness in aircrew;Samel;J Sleep Res,1995
4. Nocturnal sleep and daytime alertness of aircrew after transmeridian flights;Nicholson;Aviat Space Environ Med,1986
5. Modelling performance and alertness: the QinetiQ approach;Belyavin;Aviat Space Environ Med,2004