by Timko, H., Ness Sjobak, K., Mether, L., Calatroni, S., Djurabekova, F., Matyash, K., Nordlund, K., Schneider, R., Wuensch, W.
Published in Contributions to plasma physics (1988) (01.04.2015)

by Apsimon, R., Burt, G., Dexter, A., Shipman, N., Castilla, A., Macpherson, A., Sjobak, K. Ness, Garcia, A. Santamaria, Stapley, N., Alekou, A., Appleby, R. B.
Published in Physical review. Accelerators and beams (01.06.2019)