1. Brouwer, W. H. 1985, Limitations of attention after closed head injury. Doctoral dissertation, State University of Groningen, the Netherlands.
2. The neuropsychology of attention;Cohen,1993
3. Quasi-experimentation: Design and analysis issues for field settings;Cook,1979
4. Attention, arousal and effort;Davies,1983
5. Functiestoornissen na trauma capitis;Deelman,1980