A new curve on ratings Alex Springall — NSW Department of Land and Water Conservation — 28 August 2001
Ratings — Black Art, Science or a Tool of the Capitalist Agribusiness Complex? Alex Springall — NSW Department of Infrastructure Planning and Natural Resources — 28 November 2004
Re — Water Information Clarifying its Quality and Making Others Understand Alex Springall — NSW Office of Water — 28 August 2007
The History Shot Current Meter Rating, 1921 Alex Springall — NSW Department of Infrastructure Planning and Natural Resources — 28 May 2005
