1. J.Wrigglesworth , Energy And Life , CRC Press , 1997 , ISBN no. 9780748404339
2. Exobiology: Matter, Energy, and Information in the Origin and Evolution of Life in the Universe , ed. J. Chela-Flores and F. Raulin , 1998 , ISBN no. 978-94-011-5056-9
3. Introduction: Reactivity of Nitrogen from the Ground to the Atmosphere
4. Grand challenges in the nitrogen cycle
5. N.Lehnert , G.Coruzzi , E.Hegg , L.Seefeldt and L.Stein , NSF Workshop Report: Feeding the World in the 21st Century: Grand Challenges in the Nitrogen Cycle , National Science Foundation , Arlington, VA, Arlington, VA , 2016