Drucker, Johanna (2010). "Species of Espaces and other spurious concepts addressed to reading the invisible features of signs within systems of relations". Design and Culture. 2 (2): 135–153. doi:10.2752/175470710X12696138525541. S2CID144253902.
Drucker, Johanna (2010). "Species of Espaces and other spurious concepts addressed to reading the invisible features of signs within systems of relations". Design and Culture. 2 (2): 135–153. doi:10.2752/175470710X12696138525541. S2CID144253902.