Haspelmath, Martin. 2005e. Negative indefinite pronouns and predicate negation. In WALS, 466-469.
@incollection{haspelmath2005e, author = {Haspelmath, Martin}, booktitle = {WALS}, key = {Haspelmath 2005e}, pages = {466-469}, title = {Negative indefinite pronouns and predicate negation}, year = {2005e} }