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Environmental Information Resources for State & Local Elected Officials: General reference guide
United States. Environmental Protection Agency. Office of Regional Intergovernmental Operations
出版
U.S. Environmental Protection Agency, Office of Regional Intergovernmental Operations, Library Systems Branch
, 1977
URL
http://books.google.com.hk/books?id=AaC3wAEACAAJ&hl=&source=gbs_api