Parro, V., & Moreno-Paz, M. (2003). Gene Function Analysis in Environmental Isolates: The nif Regulon of the Strict Iron Oxidizing Bacterium Leptospirillum ferrooxidans. Proceedings of the National Academy of Sciences of the United States of America, 100(13), 7883-7888.

Parro, Victor, and Mercedes Moreno-Paz. "Gene Function Analysis in Environmental Isolates: The Nif Regulon of the Strict Iron Oxidizing Bacterium Leptospirillum Ferrooxidans." Proceedings of the National Academy of Sciences of the United States of America 100, no. 13 (2003): 7883-7888.

Parro, Victor, and Mercedes Moreno-Paz. "Gene Function Analysis in Environmental Isolates: The Nif Regulon of the Strict Iron Oxidizing Bacterium Leptospirillum Ferrooxidans." Proceedings of the National Academy of Sciences of the United States of America, vol. 100, no. 13, 2003, pp. 7883-7888.