http://dx.doi.org/10.1080/23273798.2016.1234060 (Supplementary material)
Brehm_Bock_2017.pdf (Publisher version), 2MB
Brehm, L., & Bock, K. (2017). Referential and lexical forces in number agreement. Language, Cognition and Neuroscience, 32(2), 129-146. doi:10.1080/23273798.2016.1234060.