@Inproceedings{ECC-09_Engelken-Lanzon-Petersen,
 author       = "Engelken, S. and Lanzon, A. and Petersen, I. R.",
 title        = "$\mu$-analysis for interconnections of systems with negative imaginary frequency response",
 booktitle    = "2009 European Control Conference",
 address      = "Budapest, Hungary",
 pages        = "555-560",
 month        = aug,
 year         = 2009}