Haspelmath, Martin. 2010. Comparative concepts and descriptive categories in cross-linguistic studies. Language 86. 663-687.
@article{jacquesestimative-haspelmath10categories,
author = {Haspelmath, Martin},
journal = {Language},
number = {3},
pages = {663-687},
title = {Comparative concepts and descriptive categories in cross-linguistic studies},
volume = {86},
year = {2010}
}