An environmental management system primer for ports [electronic resource] : advancing port sustainability / prepared by ICF International in cooperation with Global Environment & Technology Foundation.
Imprint
[Washington, D.C.] : U.S. Environmental Protection Agency, National Center for Environmental Innovation, [2007]
Mode of access: Internet from the EPA web site. Address as of 8/7/08: http://www.epa.gov/opispdwb/ports/ems%5Fprimer.pdf; current access available via PURL.