@Article{bg-4-545-2007,
AUTHOR = {Dartnell, L. R. and Desorgher, L. and Ward, J. M. and Coates, A. J.},
TITLE = {Martian sub-surface ionising radiation: biosignatures and geology},
JOURNAL = {Biogeosciences},
VOLUME = {4},
YEAR = {2007},
NUMBER = {4},
PAGES = {545--558},
URL = {http://www.biogeosciences.net/4/545/2007/},
ISSN = {1726-4170}
}