Wichmann, Søren Department of Linguistics, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Wichmann, S., Rama, T., & Holman, E. W. (2011). Phonological diversity, word length, and population sizes across languages: The ASJP evidence. Linguistic Typology, 15(2), 177-197. doi:10.1515/lity.2011.013.