Development of the “planetary underground tool” subsurface soil sampler for the Mars express “Beagle 2” lander

The search for organic substances and inorganic volatile compounds in the surface of Mars

K. Biemann, J. Oró, Priestley Toulmin et al. · Journal of Geophysical Research Atmospheres · 1977 · 579 citations

Organic Geochemistry, Environmental Chemistry, Biosignature +14

The Viking Biological Investigation: Preliminary Results

Harold P. Klein, N. H. Horowitz, Gilbert V. Levin et al. · Science · 1976 · 155 citations

Biology, Organic Geochemistry, Biogeochemistry +13

The Mobile Penetrometer, a "Mole" for Sub-surface Soil Investigation

V.V. Gromov, A. V. Misckevich, E.N. Vidkin et al. · ESASP · 1997 · 22 citations

Geotechnical Engineering, Soil Characterization, Soil Pedology +5

<title>Beagle 2: the exobiology lander on ESA's 2003 Mars Express mission</title>

M. R. Sims, C. T. Pillinger, I. P. Wright et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1999 · 16 citations

Soil Characterization, Organic Material, Biogeochemistry +11