Little, C. R., Moroney, M., Royer, J., & Little, C. R. (2022). Classifiers can be for numerals or nouns: Two strategies for numeral modification. Glossa: a journal of general linguistics, 7(1).
This paper compares two familites of theories for numeral classifiers drawing on fieldwork data from two languages, Chβol (Mayan, Mexico) and Shan (Kra-Dai, Myanmar).