Encyclopedia of Astrobiology Gargaud, Muriel ; Irvine, William M. ; Amils, Ricardo ; Cleaves, Henderson James (Jim), II ; Pinti, Daniele L. ; Quintanilla, José Cernicharo ; Rouan, Daniel ; Spohn, Tilman ; Tirard, Stéphane ; Viso, Michel Abstract Publication: Encyclopedia of Astrobiology Pub Date: 2015 DOI: 10.1007/978-3-662-44185-5 Bibcode: 2015enas.book.....G