1. Going Negative: How Political Advertisements Shrink and Polarize the Electorate;Ansolabehere,1995
2. Negative advertising;Belt,2017
3. Seeing Spots: A Functional Analysis of Presidential TelevisionAdvertisements;Benoit,1999
4. Teoria statistica delle classi e calcolo delle probabilita;Bonferroni,1936
5. Campaigning for Hearts and Minds: How Emotional Appeals in Political Ads;Brader,2006