National Research Council (U.S.). Committee on the Origins and Evolution of Life. (2003). Life in the universe: An assessment of U.S. and international programs in astrobiology. National Academies Press.

National Research Council (U.S.). Committee on the Origins and Evolution of Life. Life in the Universe: An Assessment of U.S. and International Programs in Astrobiology. Washington, D.C.: National Academies Press, 2003.

National Research Council (U.S.). Committee on the Origins and Evolution of Life. Life in the Universe: An Assessment of U.S. and International Programs in Astrobiology. National Academies Press, 2003.