Penetrators for in situ subsurface investigations of EuropaR. A. Gowen, Nigel Wells, Patrick T. Brown et al.|Advances in Space Research|2010Cited by 59
Lunar Net—a proposal in response to an ESA M3 call in 2010 for a medium sized missionAlan Smith, M. R. Sims, Ian Crawford et al.|Experimental Astronomy|2011Cited by 26