Shashikumar, Nellisara D.; Krishnamurthy, Ganga Naika; Rao K, Sundara Raj; Shridhara, Kanakamajalu; Naik, Halehatti S. Bhojya; Nagarajan, Kuppuswamy Organic Process Research and Development, 2010 , vol. 14, # 4 p. 918 - 920