@book{282196,
	author = {United States.},
	title = {Ozone and Particulate Matter Research Act of 1997 :},
	publisher = {U.S. Government Printing Office,},
	year = {1998.},
	series = {S. hrg. ;},
	address = {Washington :},
	note = {CRDP Program record.},
	url = {https://purl.fdlp.gov/GPO/gpo121206}
}