@book{286461,
	author = {Janssen, Greg, and Sklar, Mike, and United States.},
	title = {Geographic allocation of state level nonroad engine population data to the county level  :},
	publisher = {Nonroad Engine Emission Modeling Team, Assessment and Modeling Division, EPA, Office of Mobile Sources,},
	year = {1998.},
	address = {[Washington, D.C.] :},
	note = {"EPA-420-P-98-028."},
	url = {https://purl.fdlp.gov/GPO/gpo116069}
}