Annual conference : "What's new", 8-10 August 1990, Otumoetai Trust Hotel, Tauranga.
Annual conference : "What's new", 8-10 August 1990, Otumoetai Trust Hotel, Tauranga.
What's new
- 262 p.
Water-supply--New Zealand
Water-supply engineering
Water quality management
628.1
Water-supply--New Zealand
Water-supply engineering
Water quality management
628.1