erc:
who: United States. Congress. Office of Technology Assessment.
what: Environmental Policy Tools: A User's Guide
when: 19950900
where: https://digital.library.unt.edu/ark:/67531/metadc39781/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://digital.library.unt.edu/ark:/67531/