1. Lane N., Oxygen: The Molecule That Made the World (Oxford Univ. Press, Oxford, 2002).
2. Knoll A. H., Life on a Young Planet: The First Three Billion Years of Evolution on Earth (Princeton Univ. Press, Princeton, NJ, 2003); reviewed in (3).
3. Narbonne G. M., Science 301, 919 (2003).