United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil)
Boulder, Colo. : EarthPress ; [Place of publication not identified] : Distributed to the trade by National Book Network, [1994]
International Conference on Environmental and Economic Impact on Sustainable Development, Incorporating Environmental Economics, Toxicology and Brownfields (2nd : 2014 : Ancona, Italy)
Southampton ; Boston : WIT Press, [2014]