1. Agervold M, Mikkelsen EG (2004) Relationships between bullying, psychosocial work environment and individual stress reactions. Work Stress 8:336–351. doi: 10.1080/02678370412331319794
2. Björkqvist K, Österman K, Hjelt-Bäck M (1994) Aggression among university employees. Aggress Behav 20:173–184. doi :10.1002/1098-2337(1994)20:3 ≤ 173::AID-AB2480200304 ≥ 3.0.CO;2-D
3. Cowie H, Jennifer D, Neto C, Angulo JC, Pereira B, Del Barrio C, et al. Sheehan, M.; Ramsey, S.; Patrick, J. (2000) Comparing the nature of workplace bullying in two European countries: Portugal and UK. Transcending boundaries: integrating people, processes and systems, Brisbane, 6-9-2000
4. Dansk fagkode (The Danish job classification) (1986) The Directorate of Labour, Copenhagen. på NFA
5. Dansk Branchekode (2003) DB03 Danish Industrial Classification of All Economic Activities 2003 (in danish). Danmarks Statistik (Statistics Denmark), Copenhagen 2002. på NFA