1. Blattner, F.R., Posfai, G., Herring, C.D., Plunkett, G., Glasner, J., Twose, T., 2003. Competent Bacteria, United States Patent, Patent No.: US 7303906B2.
2. Transformation of bacteria by electroporation;Chassy;Trends Biotechnol.,1988
3. Dower, W.J., 1988. Electroporation of Prokaryotic Cells, United States Patent, US. Pat. No. 4,910,140.
4. Dower, W.J., 1990. Electroporation of Prokaryotic Cells, United States Patent, US. Pat. No. 5,186,800.
5. High efficiency transformation of E.coli by high voltage electroporation;Dower;Nucleic Acids Res.,1988