@Article{TAC-12_Xiong-Petersen-Lanzon,
 author       = "Xiong, J. and Petersen, I. R. and Lanzon, A.",
 title        = "Finite frequency negative imaginary systems",
 journal      = "{IEEE} Transactions on Automatic Control",
 volume       = 57,
 number       = 11,
 pages        = "2917-2922",
 doi          = "10.1109/TAC.2012.2193705",
 month        = nov,
 year         = 2012}