S.K. Ghosh and P. Chakrabarti
Pakistan Journal of Biological Sciences 16 ( 5 ): 245 - 250 , 2013
Arun Kumar Singh, Rajiv Prakash, A.D.D. Dwivedi and P. Chakrabarti
Synthetic Metals 158 ( 21-24 ): 939 - 945 , 2008