TY - JOUR A1 - Dartnell, L. R. A1 - Desorgher, L. A1 - Ward, J. M. A1 - Coates, A. J. T1 - Martian sub-surface ionising radiation: biosignatures and geology JO - Biogeosciences J1 - BG VL - 4 IS - 4 SP - 545 EP - 558 Y1 - 2007/07/30 PB - Copernicus Publications SN - 1726-4189 UR - https://bg.copernicus.org/articles/4/545/2007/ L1 - https://bg.copernicus.org/articles/4/545/2007/bg-4-545-2007.pdf DO - 10.5194/bg-4-545-2007 ER -