# The Calculus Affair

> eighteenth volume of The Adventures of Tintin

**Wikidata**: [Q935984](https://www.wikidata.org/wiki/Q935984)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/The_Calculus_Affair)  
**Source**: https://4ort.xyz/entity/the-calculus-affair


## References

1. MusicBrainz
2. Freebase Data Dumps. 2013