D. K. Tiwari, P. Pandey, S. P. Giri and J. L. Dwivedi
Asian Journal of Plant Sciences 10 ( 1 ): 29 - 42 , 2011
D. K. Tiwari, P. Pandey, S. P. Giri and J. L. Dwivedi
Asian Journal of Plant Sciences 10 ( 2 ): 133 - 139 , 2011
D. K. Tiwari, P. Pandey, S. P. Giri and J. L. Dwivedi
International Journal of Botany 7 ( 2 ): 126 - 144 , 2011