# Czas nieutracony

> 1955 novel by Stanislav Lem

**Wikidata**: [Q9198373](https://www.wikidata.org/wiki/Q9198373)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Czas_nieutracony)  
**Source**: https://4ort.xyz/entity/czas-nieutracony


## References

1. Internet Speculative Fiction Database