Definition of equality and framework for measurement: Final Recommendations of the Equalities Review Steering Group on Measurement
Vizard, Polly, and Tania Burchardt (2007). "Definition of equality and framework for measurement: Final Recommendations of the Equalities Review Steering Group on Measurement" Paper presented at the 4th annual conference of the HDCA, 18-20 September 2007, New York, USA.