1. Attitudes, Personality and Behavior;Ajzen,1988
2. Quasi-Experimentation; Design & Analysis for Field Settings;Cook,1979
3. Statistical Methods for Meta-Analysis;Hedges,1985
4. Statistische Auswertungsmethoden, et seq.;Sachs,1968
5. Wouters, P.I.J., Bos, J.M.J, 1997. The Impact of Driver Monitoring with Vehicle Data Recorders on Accident Occurrence, Report R-97-8, SWOV Institute for Road Safety Research, Leidschendam, The Netherlands