Williams, Alison A, Yuting Chen, Camilla Dunham, Heidi Fuchs, and Hannah Stratton. Methodology For National Water Savings Model and Spreadsheet Tool - Outdoor Water Use. 2016.PDF
McNeil, Michael A, Camilla Dunham, Virginie E Letschert, and Mirka della Cava. "WaterSense Program: Methodology for National Water Savings Analysis Model Indoor Residential Water Use." 2008.PDF