LEADER 00670nam 2200157z- 450 001 9910712543403321 035 $a(CKB)5470000002494719 035 $a(EXLCZ)995470000002494719 100 $a20230509c1974uuuu -u- - 101 0 $aeng 200 10$aAutomobile exhaust emission modal analysis model extension and refinement 210 $aAnn Arbor, Michigan$cU.S. Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Certification and Surveillance Division 906 $aBOOK 912 $a9910712543403321 996 $aAutomobile exhaust emission modal analysis model extension and refinement$93348387 997 $aUNINA