1. Application and development of ion-source technology for radiation-effects testing of electronics
2. Design, construction, and first commissioning results of superconducting source for ions at NSCL/MSU
3. H. Koivisto, O. Tarvainen, T. Kalvas, K. Ranttila, P. Heikkinen, D. Xie, G. Machicoane, T. Thuillier, V. Ska-lyga, I. Izotov, Proc. of the 21st International Workshop on ECR Ion Sources, TUOMMH05, 24–28 August 2014, http://accelconf.web.cern.ch/AccelConf/ECRIS2014/papers/tuommh05.pdf.
4. Ion source research and development at University of Jyväskylä: Studies of different plasma processes and towards the higher beam intensities
5. T. Kalvas, O. Tarvainen, H. Koivisto, K. Ranttila, Proc. of the 21st International Workshop on ECR Ion Sources, WEOMMH04, 24–28 August 2014, http://accelconf.web.cern.ch/AccelConf/ECRIS2014/papers/weommh04.pdf.