M. Govahi and M. Saffari
Journal of Agronomy 5 ( 4 ): 577 - 582 , 2006
H. Abtahi, A.H. Salmanian, S. Rafati, G.B. Nejad, M. Saffari, A. Ghazavi and G. Mosayebi
Pakistan Journal of Biological Sciences 11 ( 21 ): 2472 - 2477 , 2008