Ch. Kolb

Astrobiological instrumentation for Mars – the only way is down

Andrew Steele, Lutz Richter, Alex Ellery, 2002, International Journal of Astrobiology.

Loss of hydrogen and oxygen from the upper atmosphere of Venus

Helmut Lammer, Helfried K. Biernat, Wolfgang Baumjohann, 2006 .

Adsorption-experiments under Martian conditions by means of in-situ thermo-gravimetry, drift-spectroscopy and MS in the laboratory

Ch. Kolb, C. Kolb, R. Abart, 2002 .

The Martian oxygen surface sink and its implications for the oxidant extinction depth

Alex Ellery, Helmut Lammer, Charles S. Cockell, 2002 .

Self-consistent modelling of Mercury's exosphere by sputtering, micro- meteorite impact and photon-stimulated desorption

Helmut Lammer, Peter Wurz, Josep Antoni Martín-Fernández, 2010 .