Here is the report online
Committee on the Limits of Organic Life in Planetary Systems, Committee on
the Origins and Evolution of Life, National Research Council
http://books.nap.edu/catalog.php?record_id=11919
Space/Science » in reply to Scientists call for wider search for alien life
Committee on the Limits of Organic Life in Planetary Systems, Committee on
the Origins and Evolution of Life, National Research Council
http://books.nap.edu/catalog.php?record_id=11919