Available also on the Internet as: Natural resources forum online (website viewed 22 Mar. 2006). Issued by: Centre for Natural Resources, Energy and Transport, 1976-1980; Division of Natural Resources and Energy, 1980-1982; United Nations, 1983; UN Department of Technical Co-operation for Development, 1984-1987; UN Department of Economic and Social Affairs, Division for Sustainable Development, 1989- . Published by: D. Reidel, 1976-1982; Graham and Trotman, 1983-1988; Butterworth Scientific, 1989-1995; Elsevier/Pergamon, 1996-199?; D. Reidel, 199?-200? Description based on: Vol. 29, no. 1 (Feb. 2005).