1980
SITUATION ESTHETICS by Max Neuhaus, Impermanent Art and the Seventies Audience” Artforum 18 No. 5 (January 1980): pp. 27-29.

https://www.artforum.com/features/situation-esthetics-impermanent-art-and-the-seventies-audience-208971/

Reprinted as "Modus Operandi." in Max Neuhaus: Sound Works, vol. 1, Inscription, p. 18