Greenhouse gas emissions model (GEM) user guide
Publisher: Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency
Published: 2011
Place of publication: [Washington, D.C.]
Language: eng
Format: [electronic resource]
Number of pages: 16
Subjects: Greenhouse gases; Forecasting; Computer programs
Notes: Title from title screen (viewed on Oct. 7, 2011).

"August 2011."

"EPA-420-B-11-019."