Iyer, Maithili, Willett Kempton, and Christopher T. Payne."Comparison groups on bills: Automated, personalized energy information."Energy and Buildings 38.8 (2006) 988-996. DOI
Goldman, Charles A., Willett Kempton, Anita Eide, Maithili Iyer, Mindi J. Farber, and Richard M. Scheer."Impact of Information and Communications Technologies on Residential Customer Energy Services." (1996) 89.