Journal of Physics: Conference Series Perera, A, Bonatto, A, Bontoiu, C, Resta-lópez, J, Rodin, V, Welsch, C, Xia, G & Yadav, G 2020, ' Towards ultra-high gradient particle acceleration in carbon nanotubes ', Journal of Physics: Conference Series, vol. 1596, pp. 012028 . https://doi.org/10.1088/1742-6596/1596/1/012028