Torii, S., Fukuda, H., Kanemoto, H., et al: Contingent negative variation (CNV) and the psychological effects of odour.“Perfumery: The psychology and Biology of Fragrance”(Van Toller S. and Dodd, eds.), Ghampaign and Hall, New York, p. 107-120, 1989.
Bower, G. H., and Cohen, P. R.: Emotional influences in memory and thinking: Data and theory. Clark, M. S. and Fiske, S. T. eds., Affect and cognition, p. 291-331, 1982.