Marchese, Anna, and Eugenio A. Debbia. “Direct Transfer of Genetic Material Between Two Escherichia Coli K12 Strains by Electroporation”. Microbiology Research 8, no. 2 (November 7, 2017). Accessed July 25, 2021. https://www.pagepress.org/journals/index.php/mr/article/view/7311.