Deletion of Display rules

Comment: Several of the sources seem valid http://eric.ed.gov/ERICWebPortal/custom/portlets/recordDetails/detailmini.jsp?_nfpb=true&_&ERICExtSearch_SearchValue_0=EJ271631&ERICExtSearch_SearchType_0=no&accno=EJ271631, https://doi.org/10.1007%2FBF00995569, http://www.amazon.com/Unmasking-Face-Paul-Ekman/dp/1883536367, does not seem to fail  or  to me
Stance: keep
Cited policy: Wikipedia:Verifiability (WP:V||WP:SOAP)