# Photoperiodic responses in sheep with special reference to wool growth

> 1961 doctoral thesis by D. S. Hart at University of Canterbury

**Wikidata**: [Q111991125](https://www.wikidata.org/wiki/Q111991125)  
**Source**: https://4ort.xyz/entity/photoperiodic-responses-in-sheep-with-special-reference-to-wool-growth


## References

1. [Source](https://hdl.handle.net/10182/3256)