Basic environmental statistics notebook : training manual /
Basic environmental statistics notebook : training manual /
United States Environmental Protection Agency.
- [s.l.] : EPA, 1980.
- In various pagings.
EPA-430/1-80-001
55052165
Pollution--Environmental aspects--Statistics.
Environmental protection--Statistics.
EPA-430/1-80-001
55052165
Pollution--Environmental aspects--Statistics.
Environmental protection--Statistics.