A. Rutherford et al., “Good Fences: The Importance of Setting Boundaries for Peaceful Coexistence,” PLoS ONE 9 (2014): e95660; L. G. Babbitt and S. R. Sommers, “Framing Matters: Contextual Influences on Interracial Interaction Outcomes,” PSPB 37 (2011): 1233.
