Seamon, John G.; Brody, Nathan; Kauff, David M. (1983). "Affective discrimination of stimuli that are not recognized: Effects of shadowing, masking, and cerebral laterality". Journal of Experimental Psychology: Learning, Memory, and Cognition. 9 (3): 544–555. DOI:10.1037/0278-7393.9.3.544. ISSN0278-7393.
Seamon, John G.; Brody, Nathan; Kauff, David M. (1983). "Affective discrimination of stimuli that are not recognized: Effects of shadowing, masking, and cerebral laterality". Journal of Experimental Psychology: Learning, Memory, and Cognition. 9 (3): 544–555. DOI:10.1037/0278-7393.9.3.544. ISSN0278-7393.