Qualitative Spatial Representation for Situational Awareness and Spatial Decision Support. - Christopher D. Ellis; Douglas M. Johnston (COSIT, 1999)

XCALibre.jl: A Julia XPU unstructured finite volume Computational Fluid Dynamics library. - Humberto Medina; Christopher D. Ellis; Tom Mazin; Oscar Osborn; Timothy Ward; Stephen Ambrose; Svetlana Aleksandrova; Benjamin Rothwell; Carol Eastwick (J. Open Source Softw., 2025)