# Some aspects of competition between timothy and perennial ryegrass

> 1954 master's thesis by Alan Eric Esler at University of Canterbury

**Wikidata**: [Q111991123](https://www.wikidata.org/wiki/Q111991123)  
**Source**: https://4ort.xyz/entity/some-aspects-of-competition-between-timothy-and-perennial-ryegrass


## References

1. [Source](https://hdl.handle.net/10182/14407)