Schmid, Benedikt and Chiu, Hsiu-Ju, et el. (2011) Nitrogenase; ISBN 9781119951438; Encyclopedia of Inorganic and Bioinorganic Chemistry; 1-12; 10.1002/9781119951438.eibc0601
Schmid, Benedikt and Chiu, Hsiu-Ju, et el. (2011) Nitrogenase; ISBN 9781119951438; Encyclopedia of Inorganic and Bioinorganic Chemistry; Art. No. eibc0601; 10.1002/9781119951438.eibc0601