# Impact theory under fire once more.

> scientific article published in October 2009

**Wikidata**: [Q47434980](https://www.wikidata.org/wiki/Q47434980)  
**Source**: https://4ort.xyz/entity/impact-theory-under-fire-once-more-


## References

1. [Europe PubMed Central](http://europepmc.org/abstract/MED/19829343)
2. [PubMed](https://pubmed.ncbi.nlm.nih.gov/19829343)
3. [Crossref](https://api.crossref.org/works/10.1038%2F461861A)
4. Source