Reference: Haspelmath 2019

Haspelmath, Martin. 2019. How comparative concepts and descriptive linguistic categories are different. In Daniël Olmen and Tanja Mortelmans and Frank Brisard (eds.), Aspects of Linguistic Variation, 83–114. Berlin, Boston: De Gruyter Mouton.

https://doi.org/10.1515/9783110607963-004

@inbook{haspelmath2019comparative,
  address   = {Berlin, Boston},
  author    = {Martin Haspelmath},
  booktitle = {Aspects of Linguistic Variation},
  editor    = {Daniël Olmen and Tanja Mortelmans and Frank Brisard},
  pages     = {83–114},
  publisher = {De Gruyter Mouton},
  title     = {How comparative concepts and descriptive linguistic categories are different},
  url       = {https://doi.org/10.1515/9783110607963-004},
  year      = {2019}
}