The seasonal evolution of NMHCs and light alkyl nitrates at middle to high northern latitudes during TOPSE - Blake, Nicola J; Blake, Donald R; Sive, Barkley C; Katzenstein, Aaron S; Meinardi, Simone; Wingenter, Oliver W; Atlas, Elliot L; Flocke, Frank; Ridley, Brian A; Rowland, F Sherwood (eScholarship, University of California, 2003)