Proceedings of the XV World Congress, UISPP, Lisbon, 4-9 September 2006. Volume 21. Session C64 and C65Edited by Thierry Aubry, Francisco Almeida, Ana Cristina Araújo and Marc TiffagomThis book includes papers from the session 'Space and Time: Which Diachronies, which Synchronies, which Scales?' (C64) and 'Typology vs Technology' (C65) held at the XV UISPP World Congress, Lisbon, September 2006.