Trends in emissions of ozone depleting substances, ozone layer recovery, and implications for ultraviolet radiation exposure / report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research ; edited by A.R. Ravishankara, Michael J. Kurylo, and Christine A. Ennis.
Imprint
Washington, D.C. : U.S. Climate Change Science Program, [2008]
Mode of access: Internet from the CCSP web site. Address as of 03/25/09: http://www.climatescience.gov/Library/sap/sap2-4/final-report/sap2-4-final-all.pdf ; current access is available via PURL.
