Exceptions to the PRP effect? A comparison of prepared and unconditioned reflexes
Journal of Experimental Psychology Learning Memory and Cognition (2014) - Comment
pubmed: 24417329  doi: 10.1037/a0035548  issn: 1939-1285  issn: 0278-7393 

Markus Janczyk, Roland Pfister, Gloria Wallmeier, Wilfried Kunde