# Q121914921

> book edition published in 1991

**Wikidata**: [Q121914921](https://www.wikidata.org/wiki/Q121914921)  
**Source**: https://4ort.xyz/entity/q121914921


## References

1. Czech National Bibliography
2. [Works unavailable on the market](https://sdnnt.nkp.cz/sdnnt/oai?verb=ListRecords&metadataPrefix=marc21&set=DK-DNNTO)