1) R.M. Schafer: Keynote address, T. Imada, et al., Ed.: The west meets the east in acoustic ecology (Japanese Association for Acoustic Ecology (JASE) & Hirosaki University International Music Centre (HIMC), Hirosaki, 2006), p. 14.
2) 前掲, p. 14.
3) R.M. Schafer: The tuning of the world (McClelland & Stewart, Toronto, 1977), p. 40.
4) S. Sontag: Against interpretation (Anchor Book, New York, 1990), p. 30.
5) S. Fish: There's no such thing as free speech (Oxford University Press, Oxford, 1994).