Bickel, Balthasar. 2007. Typology in the 21st century: major current developments. Linguistic Typology 11. 239–251.
@article{bickel2007typology, author = {Bickel, Balthasar}, journal = {Linguistic Typology}, pages = {239–251}, title = {Typology in the 21st century: major current developments}, volume = {11}, year = {2007} }