@Article{SCL-09_Griggs-Anderson-Lanzon-Rotkowitz,
 author       = "Griggs, W. M. and Anderson, B. D. O. and Lanzon, A. and Rotkowitz, M.",
 title        = "Interconnections of nonlinear systems with ``mixed'' small gain and passivity properties
                 and associated input-output stability results",
 journal      = "Systems and Control Letters",
 volume       = 58,
 number       = 4,
 pages        = "289-295",
 doi          = "10.1016/j.sysconle.2008.11.006",
 month        = apr,
 year         = 2009}