K. Siva Kumar, R. Haritha, Y.S.Y.V. Jagan Mohan and T. Ramana
Research Journal of Microbiology 6 ( 4 ): 385 - 393 , 2011
K. Siva Kumar, R. Haritha, A. Swathi, B. Sirisha and T. Ramana
Research Journal of Microbiology 7 ( 3 ): 171 - 181 , 2012