# Categorical or gradient? An ultrasound investigation of /l/-darkening and vocalization in varieties of English

> Research article (Laboratory Phonology Journal of the Association for Laboratory Phonology, 2017) · cited 50× · AI/ML

**Wikidata**: [openalex:W2619020893](https://www.wikidata.org/wiki/openalex:W2619020893)  
**Source**: https://4ort.xyz/entity/categorical-or-gradient-an-ultrasound-investigation-of-l-darkening-and-vocalization-in-varieties-of-english