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2. Differentielle Psychologie und Persönlichkeitsforschung;Amelang,1981
3. Extraversion and EEG: Ein Forschungsparadigma in der Sackgasse?;Bartussek,1984
4. Conflict, arousal, and curiosity;Berlyne,1960
5. Extraversion, neuroticism, and criminality;Black;Australian and New Zealand Journal of Criminology,1972