TY  - BOOK
AU  - Ward,Peter Douglas
AU  - Brownlee,Donald
TI  - Rare earth: why complex life is uncommon in the universe 
SN  - 0387987010
U1  - 574.999 
PY  - 2000///
CY  - New York
PB  - Copernicus
KW  - Vida en otros planetas
N1  - Incluye bibliografía; Why life might be widespread in the universe -- Habitable zones of the universe -- Building a habitable Earth -- Life´s first appearance on Earth -- How to build animals -- Snowball Earth -- The enigma of the Cambrian explosion -- Mass extinctions and the Rare Earth Hypothesis -- The surprising importance of plate tectonics -- The Moon, Jupiter, and life on Earth -- Testing the Rare Earth Hypotheses -- Assessing the odds -- Messengers from the stars
ER  -