P. K. Paul, M.S.E. Alam, L. Rahman, L. Hassan and S.K. Paul
Journal of Biological Sciences 3 ( 2 ): 204 - 214 , 2003
D. Dutta, M.A.R. Sarkar, M.A. Samad and S.K. Paul
Journal of Biological Sciences 2 ( 10 ): 636 - 638 , 2002