# Dmitry Grigoryev

> prof., Saint Petersburg Mining Institute

**Wikidata**: [Q28355235](https://www.wikidata.org/wiki/Q28355235)  
**Source**: https://4ort.xyz/entity/dmitry-grigoryev-q28355235


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. CiNii Research
4. Mindat.org
5. [Source](http://www.minbook.com/site_files/14-3-RU-Page34,36.pdf)