Madhava Rao, B. and Kulkarni, M. 2010. A Titrimetric Estimation of Ammonium Thiocyanate, Thiourea, N-Phenylthiourea,N, N´ -Diphenylthiourea and Thiosemicarbzide with Ammonium Hexanitratocerate(IV) in Perchloric Acid Medium . Asian Journal of Chemistry. 5, 1 (Mar. 2010), 144–149.