de la Riva, G. A., J. González-Cabrera, R. Vázquez-Padrón, and C. Ayra-Pardo. “Agrobacterium Tumefaciens: A Natural Tool for Plant Transformation”. Electronic Journal of Biotechnology, vol. 1, no. 3, Dec. 1998, pp. 0-0, https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v1n3-1.