Baek, S. (2012). Processing of English Relative Clauses by Adult L2 Learners (Unpublished doctoral dissertation). University of Illinois, Urbana-Champaign.
Gennari, S. P., & MacDonald, M. C. (2008). Semantic indeterminacy in object relative clauses. Journal of Memory and Language, 58, 161-187.
Reali, F., & Christiansen, M. H. (2007). Processing of relative clauses is made easier by frequency of occurrence. Journal of Memory and Language, 57(1), 1-23.