1. Alcazar, S. S. and Bass, B. (2006). Life cycle assessment of green roofs—case study of an eight-story residential building in Madrid and implications for green roof benefits, Greening Rooftops for Sustainable Communities, Boston.
2. Artto, K. A. (1994). “Life cycle cost concepts and methodologies.” Journal of Cost Management, Vol. 8, No. 3, pp. 28–32
3. Barbour, M. T., Gerritsen, J., Snyder, B. D., and Stribling, J. B. (1999). Rapid bioassessment protocols for use in streams and wadeable rivers, United States Environmental Protection Agency (USEPA), Washington, USA.
4. Blackhurst, M., Hendrickson, C., and Matthews, H. S. (2010). “Costeffectiveness of green roofs.” Journal of Architectural Engineering, Vol. 16, No. 4, pp. 136–143, DOI: 10.1061/(ASCE)AE.1943-5568.0000022.
5. Carter, T. and Fowler, L. (2008). “Establishing green roof infrastructure through environmental policy instruments.” Environmental management, Vol. 42, No. 1, pp. 151–164, DOI: 10.1007/s00267-008-9095-5.