Dahl, Östen. 1970. Some notes on indefinites. Language 46. 33–41.
@article{haspelmathindefpro-dahl1970,
author = {Dahl, Östen},
journal = {Language},
number = {1},
pages = {33–41},
title = {Some notes on indefinites},
volume = {46},
year = {1970}
}