1. Research on the Roof Garden Design in Beijing;Liu,2010
2. Research on the Green Roofing Configuration and Development Trends in Guangzhou;OuYang,2007
3. Research on the selection of Roof Plants and Plant Medium in Beijing;Yang,2012
4. Studies on Cooling and Humidifying Effects of Different Tridimensional Greening Ways in Zhengzhou;Shi,2006
5. Research on the Greening Technology for Light Roofing in Shanghai;Zhang,2007