K. Samarakoon, J. Wu, J. Ekanayake and N. Jenkins, “Use of Delayed Smart Meter Measurements for Distribution State Estimation,” 2011 IEEE Power and Energy Society General Meeting, San Diego, 24-29 July 2011, pp. 1-6.
 P. A. Pegoraro, J. Tang, J. Liu, F. Ponci, A. Monti and C. Muscas, “PMU and Smart Metering Deployment for State Estimation in Active Distribution Grids,” 2nd IEEE ENERGYCON Conference & Exhibition, Florence, 9-12 September 2012, pp. 873-878.
 M. Lehtonen, M. Jalonen, A. Matsinen, J. Kuru and V. Haapamaki, “A Novel State Estimation Model for Distribution System,” 14th Power Systems Computation Conference PSCC, Sevilla, 24-28 June 2002, pp. 1-5.
 R. T. Guttromson, D. P. Chassin and S. E. Widergren, “Residential Energy Resource Models for Distribution Feeder Simulation,” IEEE Power Engineering Society General Meeting, Toronto, 13-17 July 2003, pp. 108-113.
 H. Wang and N. Schulz, “A Load Modeling Algorithm for Distribution System State Estimation,” IEEE/PES Transmission and Distribution Conference and Exposition Volume 1, Atlanta, 28 October-2 November 2001, pp. 102-105.
 R. F. Arritt, R. C. Dugan, R. W. Uluski and T. F. Weaver, “Investigating Load Estimation Methods with the Use of AMI Metering for Distribution System Analysis,” 2012 IEEE Rural Electric Power Conference (REPC), Milwaukee, 15-17 April 2012, pp. B3-1-B3-9.
 L. G. Swan and V. I. Ugursal, “Modeling of End-Use Energy Consumption in the Residential Sector: A Review of Modeling Techniques,” Elsevier, Renewable and Sustainable Energy Reviews, Vol. 13, No. 8, 2009, pp. 18191835. http://dx.doi.org/10.1016/j.rser.2008.09.033
 A. Seppala, “Statistical Distribution of Customer Load Profiles,” Proceedings of IEEE International Conference on Energy Management and Power Delivery Volume 2, Singapore, 21-23 November 1995, pp. 696-701.