%0 Journal Article %A Line, Martin A %T The enigma of the origin of life and its timing %D 2002 %J Microbiology, %V 148 %N 1 %P 21-27 %@ 1465-2080 %R https://doi.org/10.1099/00221287-148-1-21 %K last common community %K last universal ancestor %K life origin %K panspermia %I Microbiology Society, %X %U https://www.microbiologyresearch.org/content/journal/micro/10.1099/00221287-148-1-21