Babu, K. Srihari; Srinivas; Madhavi; Babu; Reddy, G. Madhusudhan; Haldar; Rao, P. Narasimha; Krishna; Venkateshwarulu; Reddy, P. Pratap; Anand, R. Vijaya Arkivoc, 2011 , vol. 2011, # 2 p. 199 - 208