CASTILLO, María José; GRAY, Sebastián. Challenges of Densification in 9x18 Neighbourhoods. Research in Urbanism Series, [S.l.], v. 5, p. 117-124, oct. 2019. ISSN 1879-8217. Available at: <https://journals.open.tudelft.nl/rius/article/view/3990>. Date accessed: 10 july 2020. doi: https://doi.org/10.7480/rius.5.3990.