@article{, note = {Distributed to some depository libraries in microfiche.}, url = {http://library.usi.edu/record/280143}, title = {"The state of the nation's ecosystems" : the Heinz Center Report and its implications : hearing before the Committee on Science, House of Representatives, One Hundred Seventh Congress, second session, September 24, 2002.}, publisher = {U.S. G.P.O. :}, number = {Serial no. 107-87 (United States. Congress. House. Committee on Science)}, recid = {280143}, pages = {iv, 80 p. ;}, address = {Washington :}, year = {2003}, }