1. Law and society in England 1750-1950;Cornish,1989
2. What do the terms “sleepy,” “tired,” and “fatigued” mean?;Sukovic;Sleep Biol Rhythms,2008
3. A review of the current scheme for the regulation of air traffic controllers hours (SCRATCOH);Spencer,1997
4. A diary study of fatigue in air traffic controllers during a period of high workload;Spencer;Shiftwork International Newsletter,1999
5. Ten questions about human error: a new view of human error and system safety;Dekker,2005