Preface to the JGR Special Section on ‘The NASA Stratosphere-Troposphere Exchange Project: Tropical Field Experiment (STEP)
Pfister, L., and P.B. Russell (1993), Preface to the JGR Special Section on ‘The NASA Stratosphere-Troposphere Exchange Project: Tropical Field Experiment (STEP), J. Geophys. Res., 98, 8562.