TY - BOOK T1 - Nitrogen oxides (NOx)why and how they are controlled / DA - [1999] CY - Research Triangle Park, N.C. : CN - EP 4.52: PB - Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency, PP - Research Triangle Park, N.C. : PY - [1999] N1 - "November 1999." N1 - Shipping list no.: 2000-0878-M. N1 - "EPA-456/F-99-006R." ID - 239848 KW - Nitrogen oxides. TI - Nitrogen oxides (NOx)why and how they are controlled / LK - http://purl.access.gpo.gov/GPO/LPS5847 UR - http://purl.access.gpo.gov/GPO/LPS5847 ER -