G. Kitis, C. Furetta and E. Cruz-Zaragoza
Journal of Applied Sciences 5 ( 8 ): 1340 - 1344 , 2005
P.R. Gonzalez, M.C. Quiroz, J. Azorin, C. Furetta and O. Avila
Journal of Applied Sciences 5 ( 8 ): 1408 - 1411 , 2005