MacHale, D; Nilsen, A P; Derks, P; Lewis, P; Berger, A A; Mintz, L; Nilsen, D L F; Gruner, C; Oring, E; Ruch, Willibald; Morreall, J; Attardo, S; Ziv, A (1997). Humor and political correctness. HUMOR: International Journal of Humor Research, 10(4):453-513.
Buchkapitel
Ruch, Willibald (1997). Afterword: Laughter and Temperament. In: Ekman, Paul; Rosenberg, E L. What the face reveals : basic and applied studies of spontaneous expression using the facial action coding system (FACS). New York: Oxford University Press, 131-132.
Ruch, Willibald (1997). Reprint: Extraversion, alcohol, and enjoyment. In: Ekman, Paul; Rosenberg, E L. What the face reveals : basic and applied studies of spontaneous expression using the facial action coding system (FACS). New York: Oxford University Press, 112-130.
Ruch, Willibald (1997). Afterword: The facs in humor research. In: Ekman, Paul; Rosenberg, E L. What the face reveals : basic and applied studies of spontaneous expression using the facial action coding system (FACS). New York: Oxford University Press, 109-111.
