A manual for the preparers and users of eco-efficiency indicators /
United Nations Conference on Trade and Development.
New York : United Nations,
2004.
"UNCTAD/ITE/IPC/2003/7"--T.p. verso.
Includes bibliographical references (p. 111-112).
Environmental auditing
Also available via the Internet. Address as of 4/5/2004: http://www.unctad.org/en/docs//iteipc20037%5Fen.pdf