The Anomalous HNO3/NOx Ratio of Remote Tropospheric Air: Conversion of Nitric Acid to Formic Acid and NOx?"

Chatfield, R.B. (1994), The Anomalous HNO3/NOx Ratio of Remote Tropospheric Air: Conversion of Nitric Acid to Formic Acid and NOx?", Geophys. Res. Lett., 21, 2705-2708.