# Swigel Posternak

> Swiss chemist

**Wikidata**: [Q15728492](https://www.wikidata.org/wiki/Q15728492)  
**Source**: https://4ort.xyz/entity/swigel-posternak


## References

1. [Source](http://www.google.nl/patents/US1555517)
2. [Source](http://www.hls-dhs-dss.ch/textes/i/I31625.php)
3. BnF authorities
4. [Source](http://65.54.113.26/Author/19826200/swigel-posternak)
5. Virtual International Authority File