# Variations in ryegrass varieties in respect to milk production

> 1969 doctoral thesis by Gavin F. Wilson at Massey University

**Wikidata**: [Q112836774](https://www.wikidata.org/wiki/Q112836774)  
**Source**: https://4ort.xyz/entity/variations-in-ryegrass-varieties-in-respect-to-milk-production


## References

1. [Source](http://hdl.handle.net/10179/3166)