01477oam 2200397I 450 991070404390332120160229163637.0(CKB)5470000002437216(OCoLC)918864758(EXLCZ)99547000000243721620150817d1997 ea 0engurcn|||||||||rdacontentrdamediardacarrierSeasonal and monthly activity allocation fractions for nonroad engine emissions modeling /Greg Janssen and Rich Wilcox[Washington, D.C.] :EPA, Office of Mobile Sources, Assessment and Modeling Division,[1997]1 online resource (18 pages) illustrationsTitle from title screen (viewed on August 17, 2015)."Report no. NR-004.""December 9, 1997."Includes bibliographical references.AutomobilesMotorsExhaust gasQuality controlResearchAutomobilesMotorsExhaust gasQuality controlResearch.Janssen Greg1401565Wilcox RichUnited States.Environmental Protection Agency.Assessment and Modeling Division,ELCELCOCLCOGPOBOOK9910704043903321Seasonal and monthly activity allocation fractions for nonroad engine emissions modeling3470366UNINA