"CCI1NH4X" . . "NH4_atmos_HCCI-0.16-1um" . "1" . "accepted" . "09-FEB-10" . . "CCI1NH4X" . "CCI1NH4X" . "1" . "Concentration of ammonium {NH4} per unit volume of the atmosphere [aerosol 0.16-1um phase] by cascade impaction and spectrophotometry"@en . "Unavailable" .