# Q117287889

> 1968 Czech book edition

**Wikidata**: [Q117287889](https://www.wikidata.org/wiki/Q117287889)  
**Source**: https://4ort.xyz/entity/q117287889


## References

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