Roberts, Sean G. Language and Cognition Department, MPI for Psycholinguistics, Max Planck Society;
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0070902#s10 (Supplementary material)
journal.pone.0070902.pdf (Publisher version), 809KB
Roberts, S. G., & Winters, J. (2013). Linguistic diversity and traffic accidents: Lessons from statistical studies of cultural traits. PLoS One, 8(8): e70902. doi:doi:10.1371/journal.pone.0070902.