# Review of the Advanced LIGO Gravitational Wave Observatories Leading to Observing Run Four

> Research article (Galaxies, 2022) · cited 89× · AI/ML

**Wikidata**: [openalex:W4213030910](https://www.wikidata.org/wiki/openalex:W4213030910)  
**Source**: https://4ort.xyz/entity/review-of-the-advanced-ligo-gravitational-wave-observatories-leading-to-observing-run-four