J.F. Gomez-Leyva, L.A. Martinez Acosta, I.G. Lopez Muraira, H. Silos Espino, F. Ramirez-Cervantes and I. Andrade-Gonzalez
International Journal of Botany 4 ( 3 ): 326 - 330 , 2008
J.F. Gomez-Leyva, J. Lara-Reyna, L.V. Hernandez-Cuevas and J.P. Martinez-Soriano
Journal of Biological Sciences 8 ( 3 ): 563 - 569 , 2008