References
Jonah Goldwater
(2018). Authority and natural kind essence. Axiomathes, 28 (1), 1-12. https://doi.org/10.1007/s10516-016-9324-0.
(2018). Physicalism and the sortalist conception of objects. Synthese, 195 (12), 5497-5519. https://doi.org/10.1007/s11229-017-1459-z.