Subramanian, S., S. Narayanasastri, and A. R. Kami Reddy. “Kinetic Spectrophotometric Determination of Propellant Grade Hydrazines Using Thiophenes With Active Carbonyl Groups”. Defence Science Journal, Vol. 64, no. 1, Jan. 2014, pp. 33-40, doi:10.14429/dsj.64.3092.