Gil, David Department of Linguistics, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Sampson, G., Gil, D., & Trudgill, P. (Eds.). (2009). Preface. In Geoffrey Sampson, D. Gil, & P. Trudgill (Eds.), Language complexity as an evolving variable (pp. vii-viii). Oxford: Oxford Univ. Press. doi:10.1093/oso/9780199545216.002.0002.