# Obsidian and New Zealand archaeology : a paradigm for sourcing artefact assemblages using X-ray fluorescence spectrography

> 1973 master's thesis by Graeme Keith Ward at University of Otago

**Wikidata**: [Q112115376](https://www.wikidata.org/wiki/Q112115376)  
**Source**: https://4ort.xyz/entity/obsidian-and-new-zealand-archaeology-a-paradigm-for-sourcing-artefact-assemblages-using-x-ray-fluorescence-spectrography