https://www.researchgate.net/publication/232604950_Automatic_Information_Processing_and_Social_Perception_The_Influence_of_Trait_Information_Presented_Outside_of_Conscious_Awareness_on_Impression_Formation

https://webfiles.uci.edu/eloftus/CollinsLoftus_PsychReview_75.pdf?uniq=20ou4w

http://www.yale.edu/acmelab/articles/bargh_chen_burrows_1996.pdf

http://journals.plos.org/plosone/article/asset?id=10.1371/journal.pone.0016782.PDF