# Studies of nutritional stress, tryptophan metaboilite excretion, and aggregation in Periplaneta americana (L.) (Orthoptera: Blattidae)

> 1978 doctoral thesis by Jonet C. Ward at University of Canterbury

**Wikidata**: [Q112840504](https://www.wikidata.org/wiki/Q112840504)  
**Source**: https://4ort.xyz/entity/studies-of-nutritional-stress-tryptophan-metaboilite-excretion-and-aggregation-in-periplaneta-americana-l-orthoptera-blattidae-


## References

1. [Source](https://hdl.handle.net/10182/1811)