Measuring sustainability : learning by doing / Simon Bell and Stephen Morse. Bell, Simon, 1957 July 30- Morse, Stephen, 1957- jt. aut. Sustainable development. Economic development Environmental aspects. Environmental indicators. HC79.E5 B435 2003 338.927 21 BEM Includes bibliographical references and index. London ; Sterling, VA : Earthscan Publications Ltd, 2003. 2003. 2003 Text xvi, 189 p. : eng