2021
Miller, A., Arndt, S., Engel, L., & Boot, N. (2021). Nature conservation in a digitalized world: Echo chambers and filter bubbles. Ecology and Society, 26(3), Article 11.
1974
Noelle-Neumann, E. (1974). The spiral of silence: A theory of public opinion. Journal of Communication, 24(2), 43-51.