Eto, Joseph H, John Undrill, Peter Mackin, Ron Daschmans, Ben Williams, Brian Haney, Randy Hunt, Jeff Ellis, Howard F Illian, Carlos A Martinez, Mark O’Malley, Katie Coughlin, and Kristina Hamachi LaCommare. Use of Frequency Response Metrics to Assess the Planning and Operating Requirements for Reliable Integration of Variable Renewable Generation. 2010.PDF
Solutions, Consortium for Electric Reliability Technology, Carlos A Martinez, L Patterson, and Howard F Illian. CERTS Research Supporting Definition and Validation of a Frequency Response Standard. 2010.PDF
Martinez, Carlos A, Howard F Illian, and L Patterson. Research Results and Recommendations for Automatic Processes for Identifying Interconnections Frequency Events and Estimate Frequency Response. 2010.PDF