1. Concrete technology for sustainable development;Mehta;Concr Int,1999
2. United Nations (UN), Agenda 21, UN Conf. on environment and development (UNCED), Rio de Janeiro, Brazil; June 3–14, 1992.
3. Using RCA as part of an overall approach to sustainable construction’;O’Brien,1998
4. Concrete: durable but also sustainable?;Hendriks,1998
5. Sustainable development and recycling of concrete aggregate;Desai,1998