Planetary Protection and Mars Special Regions - A Suggestion for Updating the Definition

Petra Rettberg, Alexandre M. Anesio, Victor R. Baker, John A. Baross, Sherry L. Cady, Emmanouil Detsis, Christine M. Foreman, Ernst Hauber, Gian Gabriele Ori, David A. Pearce, Nilton O. Renno, Gary Ruvkun, Birgit Sattler, Mark P. Saunders, David H. Smith, Dirk Wagner, Frances Westall