@article{, recid = {237301}, title = {A guidebook to comparing risks and setting environmental priorities [microform].}, publisher = {U.S. Environmental Protection Agency, Office of Policy, Planning, and Evaluation,}, address = {[Washington, DC] :}, number = {EPA 230-B-93-003}, pages = {1 v. (various pagings) :}, year = {1993}, note = {Cover title.}, url = {http://library.usi.edu/record/237301}, }