Urban Computing and Mobile Devices. - Francesco Calabrese; Kristian Kloeckl; Carlo Ratti; Mark Bilandzic; Marcus Foth; Angela Button; Helen Klaebe; Laura Forlano 001; Sean White; Petia Morozov; Steven Feiner; Fabien Girardin; et al. (IEEE Pervasive Comput., 2007)

Embedding an Ecology Notion in the Social Production of Urban Space. - Helen Klaebe (Handbook of Research on Urban Informatics, 2009)