# Time-variable gravity fields derived from GPS tracking of Swarm

> Research article (Geophysical Journal International, 2016) · cited 41× · AI/ML

**Wikidata**: [openalex:W2333480653](https://www.wikidata.org/wiki/openalex:W2333480653)  
**Source**: https://4ort.xyz/entity/time-variable-gravity-fields-derived-from-gps-tracking-of-swarm