Haspelmath, Martin. 2005b. Indefinite pronouns. In WALS, 190-193.
@incollection{haspelmath2005b, author = {Haspelmath, Martin}, booktitle = {WALS}, key = {Haspelmath 2005b}, pages = {190-193}, title = {Indefinite pronouns}, year = {2005b} }