Poulsen, J., J. Bang, I. Bondebjerg, C. Hansen, K. Schrøder, and A. Jerslev. “Indledning”. MedieKultur: Journal of Media and Communication Research, vol. 6, no. 13, June 1990, p. 2 pages, doi:10.7146/mediekultur.v6i13.856.