@Article{acp-8-3899-2008, AUTHOR = {Farmer, D. K. and Cohen, R. C.}, TITLE = {Observations of HNO$_{3}$, ΣAN, ΣPN and NO$_{2}$ fluxes: evidence for rapid HO$_{x}$ chemistry within a pine forest canopy}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {8}, YEAR = {2008}, NUMBER = {14}, PAGES = {3899--3917}, URL = {http://www.atmos-chem-phys.net/8/3899/2008/}, ISSN = {1680-7316} }