Roberto Casati and Achille Varzi, Parts and Places, The Structures of Spatial Representation
Tài liệu tham khảo
Casati, R. and Varzi, A., 1994, Holes and Other Superficialities, Cambridge, MA: MIT Press.
Lemon, O. and Pratt, I., 1997, “Spatial logic and the complexity of diagrammatic reasoning,” Machine Graphics and Vision 6, 89–108.