Biblio

A. Allen, Davila, J. D., y Hofmann, P., Governance of water and sanitation services for the peri-urban poor : a framework for understanding and action in metropolitan regions. London, UK: Development Planning Unit, University College London, 2006, p. 126 p. : 18 boxes, 5 fig., 6 tab.

A. Allen y You, N., Sustainable urbanisation : bridging the green and brown agendas. London, UK: Development Planning Unit, University College London, 2002, p. xiii, 262 p. : 6 boxes, 15 fig.