1) Craul, Philip J. "Urban Soils, Applications and Practices" John Wiley & Sons Inc., 1999. (Pages 18, 158, and 173)
2) Cowan, Stuart and Van Der Ryn, Sim. "Ecological Design" Island Press, 1996. (Page 5)
3) Shutkin, William A. "The Land That Could Be: Environmentalism and Democracy in the twenty-first century." MIT Press, 2000.
4) "Paladino, Green Building Strategies" Paladino & Company, Inc. 2004. http://www.metrokc.gov/dnrp/swd/greenbuilding/documents/KCGreenRoofStudy_Final.pdf
6) PBS: "Design e2" PBS home video, 2006
7) Great Lakes Water Institute Green Roof Project; Green Roof Installation
http://www.glwi.uwm.edu/research/genomics/ecoli/greenroof/roofinstall.php#purpose
8) Low Impact Development Center, Inc. "Specifications for Green Roofs"
http://www.lid-stormwater.net/greenroofs/greenroofs_specs.htm
9) The Sempervivum Page
http://www.succulent-plant.com/sempervivum.html
10) Green Roof Research Program: Michigan State University, Department of
Horticulture
http://www.hrt.msu.edu/greenroof/#Benefits%20of%20green%20roofs
11) Green Roof Blocks Inc.
http://www.greenroofblocks.com/greenroofblocks/productinfo.html
12) Kidd, Josh. Water Sensitive Urban Design: Optimum Green Roof for Brisbane,
2005.
http://www.greenroofs.com/pdfs/student-OptimumGreenRoofforBrisbane.pdf
13) The Garland Co. Inc. History of Green Roofs.
http://www.garlandco.com/green-roof-history.html
14) The History of Green Roof Technology.
http://www.ifenergy.com/50226711/the_history_of_green_roof_technology.php
15) LivingRoofs.org Benefits: Health
http://www.livingroofs.org/livingpages/benhealth.html
16) Environmental Protection Agency: Heat Island Effects.
http://www.epa.gov/heatislands/
17) LivingRoofs.org Benefits: Urban Heat Island Effect
http://www.livingroofs.org/livingpages/benheatisland.html
18) Miller, Charles. "Extensive Green Roofs" Roofscapes, Inc.
http://www.wbdg.org/design/greenroofs.php
19) Caron, J. et al. "Defining Critical Capillary Rise Properties for
Growing Media in Nurseries" Soil Science Society: May, 2005.
http://soil.scijournals.org/cgi/content/full/69/3/794
20) Whole Building Design Guide, "Federal Green Construction Guide for
Specifications"
http://www.wbdg.org/design/greenspec_msl.php?s=073363
21) Horticulture Information
www.monrovia.com
22) Hennigan, Ann. The National Museum of the Marine Corps Part 2 - Green
Design At Work.
http://www.insulation.org/articles/article.cfm?id=IO070106
23) Heat Island Group; Air Quality, 2000.
http://eetd.lbl.gov/HeatIsland/AirQuality/
24) Heat Island Group; Evapotranspiration, 1999.
http://eetd.lbl.gov/HeatIsland/Vegetation/Evapotranspiration.html
25) ELT Easy Greenä, Green Roof Systems: Green Roof Benefits.
http://www.eltgreenroofs.com/greenroofs-benefits.html
26) Low Impact Development Center, Inc. "Benefits of Green Roofs: Water
Quality"
http://www.lid-stormwater.net/greenroofs/greenroofs_benefits.htm
27) Roofscapes, Inc.
http://www.roofmeadow.com/
28) essortment: Conventional Roofing Cost Information
http://ar.essortment.com/roofingcostest_rdvd.htm
29) Greenroofplants.com
http://www.greenroofplants.com/faq.htm