# Distribution characteristics and source analysis of metal elements in indoor PM <sub>2.5</sub> in high-rise buildings during heating season in Northeast China

> Research article (Indoor and Built Environment, 2019) · cited 19× · AI/ML

**Wikidata**: [openalex:W2973948903](https://www.wikidata.org/wiki/openalex:W2973948903)  
**Source**: https://4ort.xyz/entity/distribution-characteristics-and-source-analysis-of-metal-elements-in-indoor-pm-sub-2-5-sub-in-high-rise-buildings-durin