@Article{AUTOMATICA-12_Xiong-Petersen-Lanzon,
 author       = "Xiong, J. and Petersen, I. R. and Lanzon, A.",
 title        = "On lossless negative imaginary systems",
 journal      = "Automatica",
 volume       = 48,
 number       = 6,
 pages        = "1213-1217",
 doi          = "10.1016/j.automatica.2012.03.016",
 month        = jun,
 year         = 2012}