de la Riva, Gustavo A., Joel González-Cabrera, Roberto Vázquez-Padrón, and Camilo Ayra-Pardo. 1998. “Agrobacterium Tumefaciens: A Natural Tool for Plant Transformation”. Electronic Journal of Biotechnology 1 (3). Valparaíso, Chile:0-0. https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v1n3-1.