Kelly Elizabeth Fast

Comparison of HIPWAC and Mars Express SPICAM observations of ozone on Mars 2006–2008 and variation from 1993 IRHS observations

Franck Lefèvre, Guido Sonnabend, Tilak Hewagama, 2009 .

Temporal Behavior of Stratospheric Ammonia Abundance and Temperature Following the SL9 Impacts

Paul N. Romani, Tilak Hewagama, Albert L. Betz, 2002 .