1. Becker, A. B., Warm, J. S., Dember, W. N. & Hancock, P. A. (1991). Effects of feedback on perceived workload in vigilance performance. In Proceedings of the Human Factors Society 35th Annual Meeting (pp. 1491-1494). Santa Monica, CA: Human Factors Society.
2. Clark, C. R. (1984). The effects of noise on health. In D. M. Jones & A . J. Chapman (Eds.), Noise and society (pp. 11 1-124). Chichester, England: Wiley.
3. Cohen, S. (1978). Environmental load and the allocation of attention. In A. Baum, J. E. Singer, & S. Valins (Eds.), Advances in environmental psychology (Vol. I , pp. 1-29). Hillsdale, NJ: Lawrence Erlbaum Associates, Inc.
4. Craig, A. (1984). Human engineering: The control of vigilance. In J. S. Warm (Ed.), Sustained attention in human performance (pp. 247-291). Chichester, England: Wiley.