Categorification and Group Extensions. - Lucian M. Ionescu (Appl. Categorical Struct., 2002)

Red-Black Interval Trees in Device-Level Analog Placement. - Sarat C. Maruvada; Karthik Krishnamoorthy; Florin Balasa; Lucian M. Ionescu (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)