<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Engelhardt, Yuri</hi> (2006): „Objects and spaces: The visual language of graphics“, in: <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">International Conference on Theory and Application of Diagrams</hi>. Berlin / Heidelberg: Springer 104–108.