Sridhara, Malavalli Basavaraju, Ramesh Suhas, and Dase Gowda Channe Gowda. 2013. “Synthesis of Azoarenes by Reductive Dimerization of Nitroarenes Using Ammonium Bromide and Magnesium”. European Journal of Chemistry 4 (1):61-63. https://doi.org/10.5155/eurjchem.4.1.61-63.732.