1. Springer SP, Deutsch G: Linkes - rechtes Gehirn. Heidelberg, Spektrum der Wissenschaft, 1987, pp 100-102.
2. Right Temporal Lobe Activation When Listening to Emotionally Significant Music
3. Birbaumer N, Schmidt RF: Biologische Psychologie. Berlin, Springer, 1991, pp 620-636.
4. Hall NR, Goldstein AL: Neurotransmitters and host defence; in Guillemin R, Cohn M, Melnechuk T (eds): Neural Modulation of Immunity. New York, Raven, 1985, pp 143-160.