Though this article is primarily about mindfulness, it also discusses expectancy violations. (
http://www.findarticles.com/p/articles/mi_m0341/is_1_56/ai_63716504/print
)
In addition to foundational work in intercultural communication, Hall also developed the four zones of space discussed in the chapter. (
http://www.interculturalrelations.com/v1i3Summer1998/sum98sorrellshall.htm
)