Green Roofs for Healthy Cities (GRHC), Introduction to Green Walls Technology, Benefits, and Design. http://www.greenscreen.com/Resources/download_it/IntroductionGreenWalls.pdf

Burckhardt+Partner AG Official Website.  MFO Park, Zurich.  http://www.burckhardtpartner.ch/en/projekte/projektliste/mfo/ancProject_photos?idx=1&cat=freizeit

European Environment Agency “Europe In Bloom: A living façade at the European Environment Agency” http://www.eea.europa.eu/themes/biodiversity/living-façade

Margolis, Liat, and Alexander Robinson. Living Systems: Innovative Materials and Technologies for Landscape Architecture. Basel: Birkhäuser, 2007. Print.

Stainless Steel Solutions. “Green Wall Systems” http://www.s3i.co.uk/greenwall.php

ESI Info. “Green Facades” http://www.esi.info/detail.cfm//MMA-Architectural-Systems-Ltd/Green-Facades/_/R-30594_BA34BH

Downtown2015: Transportation and the Pedestrian Life of the City, Minneapolis, 2010
http://www.downtown2015.com/urban-green-wall.htm